71915672025

素因数分解:

$3^2\times 5^2\times {\mathrm{319625209}}^1$

素因数の和:319625225

約数の個数: 18

約数和(自身を含む): 128808959630

約数和(自身を除く): 56893287605

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 319625209, 958875627, 1598126045, 2876626881, 4794378135, 7990630225, 14383134405, 23971890675, 71915672025]

約数ペア:

[(1, 71915672025), (3, 23971890675), (5, 14383134405), (9, 7990630225), (15, 4794378135), (25, 2876626881), (45, 1598126045), (75, 958875627), (225, 319625209)]