266792421

素因数分解:

$3^1\times 7^1\times {\mathrm{12704401}}^1$

素因数の和:12704411

約数の個数: 8

約数和(自身を含む): 406540864

約数和(自身を除く): 139748443

約数列:

[1, 3, 7, 21, 12704401, 38113203, 88930807, 266792421]

約数ペア:

[(1, 266792421), (3, 88930807), (7, 38113203), (21, 12704401)]