28239525

素因数分解:

$3^2\times 5^2\times {\mathrm{125509}}^1$

素因数の和:125525

約数の個数: 18

約数和(自身を含む): 50580530

約数和(自身を除く): 22341005

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 125509, 376527, 627545, 1129581, 1882635, 3137725, 5647905, 9413175, 28239525]

約数ペア:

[(1, 28239525), (3, 9413175), (5, 5647905), (9, 3137725), (15, 1882635), (25, 1129581), (45, 627545), (75, 376527), (225, 125509)]