167251221

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{261739}}^1$

素因数の和:261816

約数の個数: 12

約数和(自身を含む): 244988640

約数和(自身を除く): 77737419

約数列:

[1, 3, 9, 71, 213, 639, 261739, 785217, 2355651, 18583469, 55750407, 167251221]

約数ペア:

[(1, 167251221), (3, 55750407), (9, 18583469), (71, 2355651), (213, 785217), (639, 261739)]