389733765

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^2\times {\mathrm{18979}}^1$

素因数の和:19061

約数の個数: 24

約数和(自身を含む): 640916640

約数和(自身を除く): 251182875

約数列:

[1, 3, 5, 15, 37, 111, 185, 555, 1369, 4107, 6845, 18979, 20535, 56937, 94895, 284685, 702223, 2106669, 3511115, 10533345, 25982251, 77946753, 129911255, 389733765]

約数ペア:

[(1, 389733765), (3, 129911255), (5, 77946753), (15, 25982251), (37, 10533345), (111, 3511115), (185, 2106669), (555, 702223), (1369, 284685), (4107, 94895), (6845, 56937), (18979, 20535)]