72450225

素因数分解:

$3^2\times 5^2\times {\mathrm{322001}}^1$

素因数の和:322017

約数の個数: 18

約数和(自身を含む): 129766806

約数和(自身を除く): 57316581

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 322001, 966003, 1610005, 2898009, 4830015, 8050025, 14490045, 24150075, 72450225]

約数ペア:

[(1, 72450225), (3, 24150075), (5, 14490045), (9, 8050025), (15, 4830015), (25, 2898009), (45, 1610005), (75, 966003), (225, 322001)]