397001025

素因数分解:

$3^2\times 5^2\times {\mathrm{1764449}}^1$

素因数の和:1764465

約数の個数: 18

約数和(自身を含む): 711073350

約数和(自身を除く): 314072325

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 1764449, 5293347, 8822245, 15880041, 26466735, 44111225, 79400205, 132333675, 397001025]

約数ペア:

[(1, 397001025), (3, 132333675), (5, 79400205), (9, 44111225), (15, 26466735), (25, 15880041), (45, 8822245), (75, 5293347), (225, 1764449)]