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A055717
Numbers n such that n | sigma_13(n).
3
1, 6, 28, 120, 316, 496, 672, 1272, 1431, 1484, 1580, 2212, 2862, 3768, 4452, 4740, 5462, 5724, 6360, 7155, 7584, 8128, 11060, 11448, 12640, 13356, 14310, 15800, 16386, 17696, 18840, 22896, 28620, 30240, 32760, 33180, 35616, 37920, 38712
OFFSET
1,2
COMMENTS
sigma_13(n) is the sum of the 13th powers of the divisors of n (A013961).
LINKS
MATHEMATICA
Do[If[Mod[DivisorSigma[13, n], n]==0, Print[n]], {n, 1, 50000}]
CROSSREFS
Sequence in context: A027598 A183013 A325639 * A090777 A055715 A026031
KEYWORD
nonn
AUTHOR
Robert G. Wilson v, Jun 09 2000
STATUS
approved