2131375

素因数分解:

$5^3\times {\mathrm{17}}^2\times {\mathrm{59}}^1$

素因数の和:108

約数の個数: 24

約数和(自身を含む): 2873520

約数和(自身を除く): 742145

約数列:

[1, 5, 17, 25, 59, 85, 125, 289, 295, 425, 1003, 1445, 1475, 2125, 5015, 7225, 7375, 17051, 25075, 36125, 85255, 125375, 426275, 2131375]

約数ペア:

[(1, 2131375), (5, 426275), (17, 125375), (25, 85255), (59, 36125), (85, 25075), (125, 17051), (289, 7375), (295, 7225), (425, 5015), (1003, 2125), (1445, 1475)]