87086781

素因数分解:

$3^2\times {\mathrm{31}}^2\times {\mathrm{10069}}^1$

素因数の和:10137

約数の個数: 18

約数和(自身を含む): 129993630

約数和(自身を除く): 42906849

約数列:

[1, 3, 9, 31, 93, 279, 961, 2883, 8649, 10069, 30207, 90621, 312139, 936417, 2809251, 9676309, 29028927, 87086781]

約数ペア:

[(1, 87086781), (3, 29028927), (9, 9676309), (31, 2809251), (93, 936417), (279, 312139), (961, 90621), (2883, 30207), (8649, 10069)]