1285687311

素因数分解:

$3^1\times {\mathrm{139}}^1\times {\mathrm{1223}}^1\times {\mathrm{2521}}^1$

素因数の和:3886

約数の個数: 16

約数和(自身を含む): 1728679680

約数和(自身を除く): 442992369

約数列:

[1, 3, 139, 417, 1223, 2521, 3669, 7563, 169997, 350419, 509991, 1051257, 3083183, 9249549, 428562437, 1285687311]

約数ペア:

[(1, 1285687311), (3, 428562437), (139, 9249549), (417, 3083183), (1223, 1051257), (2521, 509991), (3669, 350419), (7563, 169997)]