11970225

素因数分解:

$3^2\times 5^2\times {\mathrm{53201}}^1$

素因数の和:53217

約数の個数: 18

約数和(自身を含む): 21440406

約数和(自身を除く): 9470181

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 53201, 159603, 266005, 478809, 798015, 1330025, 2394045, 3990075, 11970225]

約数ペア:

[(1, 11970225), (3, 3990075), (5, 2394045), (9, 1330025), (15, 798015), (25, 478809), (45, 266005), (75, 159603), (225, 53201)]