1640676843

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{359561}}^1$

素因数の和:359596

約数の個数: 24

約数和(自身を含む): 2631993840

約数和(自身を除く): 991316997

約数列:

[1, 3, 9, 13, 27, 39, 117, 169, 351, 507, 1521, 4563, 359561, 1078683, 3236049, 4674293, 9708147, 14022879, 42068637, 60765809, 126205911, 182297427, 546892281, 1640676843]

約数ペア:

[(1, 1640676843), (3, 546892281), (9, 182297427), (13, 126205911), (27, 60765809), (39, 42068637), (117, 14022879), (169, 9708147), (351, 4674293), (507, 3236049), (1521, 1078683), (4563, 359561)]