81340511

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{2683}}^1$

素因数の和:2822

約数の個数: 16

約数和(自身を含む): 95851008

約数和(自身を除く): 14510497

約数列:

[1, 7, 61, 71, 427, 497, 2683, 4331, 18781, 30317, 163663, 190493, 1145641, 1333451, 11620073, 81340511]

約数ペア:

[(1, 81340511), (7, 11620073), (61, 1333451), (71, 1145641), (427, 190493), (497, 163663), (2683, 30317), (4331, 18781)]