80531577

素因数分解:

$3^4\times 7^1\times {\mathrm{142031}}^1$

素因数の和:142050

約数の個数: 20

約数和(自身を含む): 137486976

約数和(自身を除く): 56955399

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 142031, 426093, 994217, 1278279, 2982651, 3834837, 8947953, 11504511, 26843859, 80531577]

約数ペア:

[(1, 80531577), (3, 26843859), (7, 11504511), (9, 8947953), (21, 3834837), (27, 2982651), (63, 1278279), (81, 994217), (189, 426093), (567, 142031)]