156375

素因数分解:

$3^2\times 5^3\times {\mathrm{139}}^1$

素因数の和:160

約数の個数: 24

約数和(自身を含む): 283920

約数和(自身を除く): 127545

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 139, 225, 375, 417, 695, 1125, 1251, 2085, 3475, 6255, 10425, 17375, 31275, 52125, 156375]

約数ペア:

[(1, 156375), (3, 52125), (5, 31275), (9, 17375), (15, 10425), (25, 6255), (45, 3475), (75, 2085), (125, 1251), (139, 1125), (225, 695), (375, 417)]