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A176147
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a(n) = n^sopf(n), where sopf(n) is the sum of the distinct primes dividing n (A008472).
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1
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1, 4, 27, 16, 3125, 7776, 823543, 64, 729, 10000000, 285311670611, 248832, 302875106592253, 20661046784, 2562890625, 256, 827240261886336764177, 1889568, 1978419655660313589123979, 1280000000, 16679880978201
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OFFSET
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1,2
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LINKS
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FORMULA
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EXAMPLE
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a(1) = 1^0 = 1;
a(2) = 2^2 = 4;
a(3) = 3^3 = 27;
a(4) = 4^2 = 16.
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MATHEMATICA
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Table[n^Total[Transpose[FactorInteger[n]][[1]]], {n, 20}]
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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