25281315

素因数分解:

$3^4\times 5^1\times {\mathrm{62423}}^1$

素因数の和:62440

約数の個数: 20

約数和(自身を含む): 45319824

約数和(自身を除く): 20038509

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 62423, 187269, 312115, 561807, 936345, 1685421, 2809035, 5056263, 8427105, 25281315]

約数ペア:

[(1, 25281315), (3, 8427105), (5, 5056263), (9, 2809035), (15, 1685421), (27, 936345), (45, 561807), (81, 312115), (135, 187269), (405, 62423)]