25641405

素因数分解:

$3^2\times 5^1\times {\mathrm{569809}}^1$

素因数の和:569820

約数の個数: 12

約数和(自身を含む): 44445180

約数和(自身を除く): 18803775

約数列:

[1, 3, 5, 9, 15, 45, 569809, 1709427, 2849045, 5128281, 8547135, 25641405]

約数ペア:

[(1, 25641405), (3, 8547135), (5, 5128281), (9, 2849045), (15, 1709427), (45, 569809)]