251085075

素因数分解:

$3^1\times 5^2\times {\mathrm{1571}}^1\times {\mathrm{2131}}^1$

素因数の和:3715

約数の個数: 24

約数和(自身を含む): 415586496

約数和(自身を除く): 164501421

約数列:

[1, 3, 5, 15, 25, 75, 1571, 2131, 4713, 6393, 7855, 10655, 23565, 31965, 39275, 53275, 117825, 159825, 3347801, 10043403, 16739005, 50217015, 83695025, 251085075]

約数ペア:

[(1, 251085075), (3, 83695025), (5, 50217015), (15, 16739005), (25, 10043403), (75, 3347801), (1571, 159825), (2131, 117825), (4713, 53275), (6393, 39275), (7855, 31965), (10655, 23565)]