20155125

素因数分解:

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

素因数の和:846

約数の個数: 32

約数和(自身を含む): 34055424

約数和(自身を除く): 13900299

約数列:

[1, 3, 5, 15, 25, 71, 75, 125, 213, 355, 375, 757, 1065, 1775, 2271, 3785, 5325, 8875, 11355, 18925, 26625, 53747, 56775, 94625, 161241, 268735, 283875, 806205, 1343675, 4031025, 6718375, 20155125]

約数ペア:

[(1, 20155125), (3, 6718375), (5, 4031025), (15, 1343675), (25, 806205), (71, 283875), (75, 268735), (125, 161241), (213, 94625), (355, 56775), (375, 53747), (757, 26625), (1065, 18925), (1775, 11355), (2271, 8875), (3785, 5325)]