157709511

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{67139}}^1$

素因数の和:67180

約数の個数: 20

約数和(自身を含む): 243718200

約数和(自身を除く): 86008689

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 67139, 201417, 604251, 1812753, 1947031, 5438259, 5841093, 17523279, 52569837, 157709511]

約数ペア:

[(1, 157709511), (3, 52569837), (9, 17523279), (27, 5841093), (29, 5438259), (81, 1947031), (87, 1812753), (261, 604251), (783, 201417), (2349, 67139)]