431140887

素因数分解:

$3^4\times {\mathrm{139}}^1\times {\mathrm{149}}^1\times {\mathrm{257}}^1$

素因数の和:557

約数の個数: 40

約数和(自身を含む): 655578000

約数和(自身を除く): 224437113

約数列:

[1, 3, 9, 27, 81, 139, 149, 257, 417, 447, 771, 1251, 1341, 2313, 3753, 4023, 6939, 11259, 12069, 20711, 20817, 35723, 38293, 62133, 107169, 114879, 186399, 321507, 344637, 559197, 964521, 1033911, 1677591, 2893563, 3101733, 5322727, 15968181, 47904543, 143713629, 431140887]

約数ペア:

[(1, 431140887), (3, 143713629), (9, 47904543), (27, 15968181), (81, 5322727), (139, 3101733), (149, 2893563), (257, 1677591), (417, 1033911), (447, 964521), (771, 559197), (1251, 344637), (1341, 321507), (2313, 186399), (3753, 114879), (4023, 107169), (6939, 62133), (11259, 38293), (12069, 35723), (20711, 20817)]