7920225

素因数分解:

$3^2\times 5^2\times {\mathrm{35201}}^1$

素因数の和:35217

約数の個数: 18

約数和(自身を含む): 14186406

約数和(自身を除く): 6266181

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 35201, 105603, 176005, 316809, 528015, 880025, 1584045, 2640075, 7920225]

約数ペア:

[(1, 7920225), (3, 2640075), (5, 1584045), (9, 880025), (15, 528015), (25, 316809), (45, 176005), (75, 105603), (225, 35201)]