2639830977

素因数分解:

$3^2\times 7^1\times {\mathrm{2143}}^1\times {\mathrm{19553}}^1$

素因数の和:21709

約数の個数: 24

約数和(自身を含む): 4360072704

約数和(自身を除く): 1720241727

約数列:

[1, 3, 7, 9, 21, 63, 2143, 6429, 15001, 19287, 19553, 45003, 58659, 135009, 136871, 175977, 410613, 1231839, 41902079, 125706237, 293314553, 377118711, 879943659, 2639830977]

約数ペア:

[(1, 2639830977), (3, 879943659), (7, 377118711), (9, 293314553), (21, 125706237), (63, 41902079), (2143, 1231839), (6429, 410613), (15001, 175977), (19287, 136871), (19553, 135009), (45003, 58659)]