4031025

素因数分解:

$3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{757}}^1$

素因数の和:841

約数の個数: 24

約数和(自身を含む): 6767424

約数和(自身を除く): 2736399

約数列:

[1, 3, 5, 15, 25, 71, 75, 213, 355, 757, 1065, 1775, 2271, 3785, 5325, 11355, 18925, 53747, 56775, 161241, 268735, 806205, 1343675, 4031025]

約数ペア:

[(1, 4031025), (3, 1343675), (5, 806205), (15, 268735), (25, 161241), (71, 56775), (75, 53747), (213, 18925), (355, 11355), (757, 5325), (1065, 3785), (1775, 2271)]