31295439

素因数分解:

$3^2\times 7^1\times {\mathrm{389}}^1\times {\mathrm{1277}}^1$

素因数の和:1679

約数の個数: 24

約数和(自身を含む): 51835680

約数和(自身を除く): 20540241

約数列:

[1, 3, 7, 9, 21, 63, 389, 1167, 1277, 2723, 3501, 3831, 8169, 8939, 11493, 24507, 26817, 80451, 496753, 1490259, 3477271, 4470777, 10431813, 31295439]

約数ペア:

[(1, 31295439), (3, 10431813), (7, 4470777), (9, 3477271), (21, 1490259), (63, 496753), (389, 80451), (1167, 26817), (1277, 24507), (2723, 11493), (3501, 8939), (3831, 8169)]