id:A055717 - OEIS Search Results

Search: id:A055717

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Numbers n such that n | Sigma_13[n].

+0
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 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`sigma_13(n) is the sum of the 13th powers of the divisors of n.`
	MATHEMATICA	`Do[If[Mod[DivisorSigma[13, n], n]==0, Print[n]], {n, 1, 50000}]`
	CROSSREFS	`Sequence in context: A089096 A026014 A027598 this_sequence A090777 A055715 A026031` `Adjacent sequences: A055714 A055715 A055716 this_sequence A055718 A055719 A055720`
	KEYWORD	`nonn`
	AUTHOR	`Robert G. Wilson v (rgwv(AT)rgwv.com), Jun 09 2000`

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Last modified December 8 08:31 EST 2009. Contains 170430 sequences.

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