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A055704
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Numbers n such that n | sigma_10(n) + phi(n)^10.
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0
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1, 2, 6, 38, 551, 589, 750, 2510, 3277, 7801, 9940, 11359, 16810, 19875, 21250, 23700, 30450, 33000, 34350, 41005, 117670, 132300, 144300, 145150, 161700, 234635, 242550, 249000, 308700, 365750, 407925, 423801, 437250, 468150, 524700, 577850, 585206, 616585
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OFFSET
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1,2
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COMMENTS
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sigma_10(n) is the sum of the 10th powers of the divisors of n (A013958).
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LINKS
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MATHEMATICA
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Do[If[Mod[DivisorSigma[10, n]+EulerPhi[n]^10, n]==0, Print[n]], {n, 1, 10^5}]
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PROG
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(PARI) isok(n) = !((sigma(n, 10) + eulerphi(n)^10) % n); \\ Michel Marcus, Mar 02 2014
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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