252912177

素因数分解:

$3^2\times 7^2\times {\mathrm{573497}}^1$

素因数の和:573517

約数の個数: 18

約数和(自身を含む): 424962018

約数和(自身を除く): 172049841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 573497, 1720491, 4014479, 5161473, 12043437, 28101353, 36130311, 84304059, 252912177]

約数ペア:

[(1, 252912177), (3, 84304059), (7, 36130311), (9, 28101353), (21, 12043437), (49, 5161473), (63, 4014479), (147, 1720491), (441, 573497)]