129123379

素因数分解:

$7^4\times {\mathrm{11}}^1\times {\mathrm{4889}}^1$

素因数の和:4928

約数の個数: 20

約数和(自身を含む): 164362680

約数和(自身を除く): 35239301

約数列:

[1, 7, 11, 49, 77, 343, 539, 2401, 3773, 4889, 26411, 34223, 53779, 239561, 376453, 1676927, 2635171, 11738489, 18446197, 129123379]

約数ペア:

[(1, 129123379), (7, 18446197), (11, 11738489), (49, 2635171), (77, 1676927), (343, 376453), (539, 239561), (2401, 53779), (3773, 34223), (4889, 26411)]