164520225

素因数分解:

$3^2\times 5^2\times {\mathrm{731201}}^1$

素因数の和:731217

約数の個数: 18

約数和(自身を含む): 294674406

約数和(自身を除く): 130154181

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 731201, 2193603, 3656005, 6580809, 10968015, 18280025, 32904045, 54840075, 164520225]

約数ペア:

[(1, 164520225), (3, 54840075), (5, 32904045), (9, 18280025), (15, 10968015), (25, 6580809), (45, 3656005), (75, 2193603), (225, 731201)]