6921386577

素因数分解:

$3^4\times 7^1\times {\mathrm{12207031}}^1$

素因数の和:12207050

約数の個数: 20

約数和(自身を含む): 11816406976

約数和(自身を除く): 4895020399

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 12207031, 36621093, 85449217, 109863279, 256347651, 329589837, 769042953, 988769511, 2307128859, 6921386577]

約数ペア:

[(1, 6921386577), (3, 2307128859), (7, 988769511), (9, 769042953), (21, 329589837), (27, 256347651), (63, 109863279), (81, 85449217), (189, 36621093), (567, 12207031)]