289125759

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{1021}}^1$

素因数の和:1227

約数の個数: 32

約数和(自身を含む): 426492864

約数和(自身を除く): 137367105

約数列:

[1, 3, 13, 39, 53, 137, 159, 411, 689, 1021, 1781, 2067, 3063, 5343, 7261, 13273, 21783, 39819, 54113, 94393, 139877, 162339, 283179, 419631, 703469, 1818401, 2110407, 5455203, 7413481, 22240443, 96375253, 289125759]

約数ペア:

[(1, 289125759), (3, 96375253), (13, 22240443), (39, 7413481), (53, 5455203), (137, 2110407), (159, 1818401), (411, 703469), (689, 419631), (1021, 283179), (1781, 162339), (2067, 139877), (3063, 94393), (5343, 54113), (7261, 39819), (13273, 21783)]