20250225

素因数分解:

$3^2\times 5^2\times {\mathrm{90001}}^1$

素因数の和:90017

約数の個数: 18

約数和(自身を含む): 36270806

約数和(自身を除く): 16020581

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 90001, 270003, 450005, 810009, 1350015, 2250025, 4050045, 6750075, 20250225]

約数ペア:

[(1, 20250225), (3, 6750075), (5, 4050045), (9, 2250025), (15, 1350015), (25, 810009), (45, 450005), (75, 270003), (225, 90001)]