28485075

素因数分解:

$3^1\times 5^2\times {\mathrm{149}}^1\times {\mathrm{2549}}^1$

素因数の和:2711

約数の個数: 24

約数和(自身を含む): 47430000

約数和(自身を除く): 18944925

約数列:

[1, 3, 5, 15, 25, 75, 149, 447, 745, 2235, 2549, 3725, 7647, 11175, 12745, 38235, 63725, 191175, 379801, 1139403, 1899005, 5697015, 9495025, 28485075]

約数ペア:

[(1, 28485075), (3, 9495025), (5, 5697015), (15, 1899005), (25, 1139403), (75, 379801), (149, 191175), (447, 63725), (745, 38235), (2235, 12745), (2549, 11175), (3725, 7647)]