7891023

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19777}}^1$

素因数の和:19806

約数の個数: 16

約数和(自身を含む): 12657920

約数和(自身を除く): 4766897

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 19777, 59331, 138439, 375763, 415317, 1127289, 2630341, 7891023]

約数ペア:

[(1, 7891023), (3, 2630341), (7, 1127289), (19, 415317), (21, 375763), (57, 138439), (133, 59331), (399, 19777)]