42953571

素因数分解:

$3^4\times {\mathrm{149}}^1\times {\mathrm{3559}}^1$

素因数の和:3720

約数の個数: 20

約数和(自身を含む): 64614000

約数和(自身を除く): 21660429

約数列:

[1, 3, 9, 27, 81, 149, 447, 1341, 3559, 4023, 10677, 12069, 32031, 96093, 288279, 530291, 1590873, 4772619, 14317857, 42953571]

約数ペア:

[(1, 42953571), (3, 14317857), (9, 4772619), (27, 1590873), (81, 530291), (149, 288279), (447, 96093), (1341, 32031), (3559, 12069), (4023, 10677)]