221851491

素因数分解:

$3^1\times {\mathrm{23}}^2\times {\mathrm{43}}^1\times {\mathrm{3251}}^1$

素因数の和:3343

約数の個数: 24

約数和(自身を含む): 316510656

約数和(自身を除く): 94659165

約数列:

[1, 3, 23, 43, 69, 129, 529, 989, 1587, 2967, 3251, 9753, 22747, 68241, 74773, 139793, 224319, 419379, 1719779, 3215239, 5159337, 9645717, 73950497, 221851491]

約数ペア:

[(1, 221851491), (3, 73950497), (23, 9645717), (43, 5159337), (69, 3215239), (129, 1719779), (529, 419379), (989, 224319), (1587, 139793), (2967, 74773), (3251, 68241), (9753, 22747)]