491753577

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{557}}^1\times {\mathrm{2473}}^1$

素因数の和:3057

約数の個数: 32

約数和(自身を含む): 795163392

約数和(自身を除く): 303409815

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 557, 1671, 2473, 3899, 7419, 9469, 11697, 17311, 28407, 42041, 51933, 66283, 126123, 198849, 294287, 882861, 1377461, 4132383, 9642227, 23416837, 28926681, 70250511, 163917859, 491753577]

約数ペア:

[(1, 491753577), (3, 163917859), (7, 70250511), (17, 28926681), (21, 23416837), (51, 9642227), (119, 4132383), (357, 1377461), (557, 882861), (1671, 294287), (2473, 198849), (3899, 126123), (7419, 66283), (9469, 51933), (11697, 42041), (17311, 28407)]