490147479

素因数分解:

$3^2\times {\mathrm{31}}^2\times {\mathrm{56671}}^1$

素因数の和:56739

約数の個数: 18

約数和(自身を含む): 731578848

約数和(自身を除く): 241431369

約数列:

[1, 3, 9, 31, 93, 279, 961, 2883, 8649, 56671, 170013, 510039, 1756801, 5270403, 15811209, 54460831, 163382493, 490147479]

約数ペア:

[(1, 490147479), (3, 163382493), (9, 54460831), (31, 15811209), (93, 5270403), (279, 1756801), (961, 510039), (2883, 170013), (8649, 56671)]