12921475

素因数分解:

$5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1571}}^1$

素因数の和:1635

約数の個数: 24

約数和(自身を含む): 18713088

約数和(自身を除く): 5791613

約数列:

[1, 5, 7, 25, 35, 47, 175, 235, 329, 1175, 1571, 1645, 7855, 8225, 10997, 39275, 54985, 73837, 274925, 369185, 516859, 1845925, 2584295, 12921475]

約数ペア:

[(1, 12921475), (5, 2584295), (7, 1845925), (25, 516859), (35, 369185), (47, 274925), (175, 73837), (235, 54985), (329, 39275), (1175, 10997), (1571, 8225), (1645, 7855)]