28330725

素因数分解:

$3^1\times 5^2\times {\mathrm{499}}^1\times {\mathrm{757}}^1$

素因数の和:1269

約数の個数: 24

約数和(自身を含む): 46996000

約数和(自身を除く): 18665275

約数列:

[1, 3, 5, 15, 25, 75, 499, 757, 1497, 2271, 2495, 3785, 7485, 11355, 12475, 18925, 37425, 56775, 377743, 1133229, 1888715, 5666145, 9443575, 28330725]

約数ペア:

[(1, 28330725), (3, 9443575), (5, 5666145), (15, 1888715), (25, 1133229), (75, 377743), (499, 56775), (757, 37425), (1497, 18925), (2271, 12475), (2495, 11355), (3785, 7485)]