40628025

素因数分解:

$3^2\times 5^2\times {\mathrm{180569}}^1$

素因数の和:180585

約数の個数: 18

約数和(自身を含む): 72769710

約数和(自身を除く): 32141685

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 180569, 541707, 902845, 1625121, 2708535, 4514225, 8125605, 13542675, 40628025]

約数ペア:

[(1, 40628025), (3, 13542675), (5, 8125605), (9, 4514225), (15, 2708535), (25, 1625121), (45, 902845), (75, 541707), (225, 180569)]