31351275

素因数分解:

$3^2\times 5^2\times {\mathrm{139339}}^1$

素因数の和:139355

約数の個数: 18

約数和(自身を含む): 56154020

約数和(自身を除く): 24802745

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 139339, 418017, 696695, 1254051, 2090085, 3483475, 6270255, 10450425, 31351275]

約数ペア:

[(1, 31351275), (3, 10450425), (5, 6270255), (9, 3483475), (15, 2090085), (25, 1254051), (45, 696695), (75, 418017), (225, 139339)]