1988211704913

素因数分解:

$3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{289531339}}^1$

素因数の和:289531461

約数の個数: 24

約数和(自身を含む): 3312238529600

約数和(自身を除く): 1324026824687

約数列:

[1, 3, 7, 9, 21, 63, 109, 327, 763, 981, 2289, 6867, 289531339, 868594017, 2026719373, 2605782051, 6080158119, 18240474357, 31558915951, 94676747853, 220912411657, 284030243559, 662737234971, 1988211704913]

約数ペア:

[(1, 1988211704913), (3, 662737234971), (7, 284030243559), (9, 220912411657), (21, 94676747853), (63, 31558915951), (109, 18240474357), (327, 6080158119), (763, 2605782051), (981, 2026719373), (2289, 868594017), (6867, 289531339)]