257498019

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{469031}}^1$

素因数の和:469098

約数の個数: 12

約数和(自身を含む): 378039792

約数和(自身を除く): 120541773

約数列:

[1, 3, 9, 61, 183, 549, 469031, 1407093, 4221279, 28610891, 85832673, 257498019]

約数ペア:

[(1, 257498019), (3, 85832673), (9, 28610891), (61, 4221279), (183, 1407093), (549, 469031)]