27101875

素因数分解:

$5^4\times {\mathrm{103}}^1\times {\mathrm{421}}^1$

素因数の和:544

約数の個数: 20

約数和(自身を含む): 34276528

約数和(自身を除く): 7174653

約数列:

[1, 5, 25, 103, 125, 421, 515, 625, 2105, 2575, 10525, 12875, 43363, 52625, 64375, 216815, 263125, 1084075, 5420375, 27101875]

約数ペア:

[(1, 27101875), (5, 5420375), (25, 1084075), (103, 263125), (125, 216815), (421, 64375), (515, 52625), (625, 43363), (2105, 12875), (2575, 10525)]