30831405

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{16987}}^1$

素因数の和:17017

約数の個数: 24

約数和(自身を含む): 54225696

約数和(自身を除く): 23394291

約数列:

[1, 3, 5, 11, 15, 33, 55, 121, 165, 363, 605, 1815, 16987, 50961, 84935, 186857, 254805, 560571, 934285, 2055427, 2802855, 6166281, 10277135, 30831405]

約数ペア:

[(1, 30831405), (3, 10277135), (5, 6166281), (11, 2802855), (15, 2055427), (33, 934285), (55, 560571), (121, 254805), (165, 186857), (363, 84935), (605, 50961), (1815, 16987)]