81816427

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{8929}}^1$

素因数の和:8971

約数の個数: 24

約数和(自身を含む): 109946160

約数和(自身を除く): 28129733

約数列:

[1, 7, 11, 17, 49, 77, 119, 187, 539, 833, 1309, 8929, 9163, 62503, 98219, 151793, 437521, 687533, 1062551, 1669723, 4812731, 7437857, 11688061, 81816427]

約数ペア:

[(1, 81816427), (7, 11688061), (11, 7437857), (17, 4812731), (49, 1669723), (77, 1062551), (119, 687533), (187, 437521), (539, 151793), (833, 98219), (1309, 62503), (8929, 9163)]