30790221

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{3251}}^1$

素因数の和:3313

約数の個数: 32

約数和(自身を含む): 52448256

約数和(自身を除く): 21658035

約数列:

[1, 3, 7, 11, 21, 33, 41, 77, 123, 231, 287, 451, 861, 1353, 3157, 3251, 9471, 9753, 22757, 35761, 68271, 107283, 133291, 250327, 399873, 750981, 933037, 1466201, 2799111, 4398603, 10263407, 30790221]

約数ペア:

[(1, 30790221), (3, 10263407), (7, 4398603), (11, 2799111), (21, 1466201), (33, 933037), (41, 750981), (77, 399873), (123, 250327), (231, 133291), (287, 107283), (451, 68271), (861, 35761), (1353, 22757), (3157, 9753), (3251, 9471)]