28574475

素因数分解:

$3^1\times 5^2\times {\mathrm{149}}^1\times {\mathrm{2557}}^1$

素因数の和:2719

約数の個数: 24

約数和(自身を含む): 47578800

約数和(自身を除く): 19004325

約数列:

[1, 3, 5, 15, 25, 75, 149, 447, 745, 2235, 2557, 3725, 7671, 11175, 12785, 38355, 63925, 191775, 380993, 1142979, 1904965, 5714895, 9524825, 28574475]

約数ペア:

[(1, 28574475), (3, 9524825), (5, 5714895), (15, 1904965), (25, 1142979), (75, 380993), (149, 191775), (447, 63925), (745, 38355), (2235, 12785), (2557, 11175), (3725, 7671)]