11957463

素因数分解:

$3^4\times 7^1\times {\mathrm{21089}}^1$

素因数の和:21108

約数の個数: 20

約数和(自身を含む): 20415120

約数和(自身を除く): 8457657

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 21089, 63267, 147623, 189801, 442869, 569403, 1328607, 1708209, 3985821, 11957463]

約数ペア:

[(1, 11957463), (3, 3985821), (7, 1708209), (9, 1328607), (21, 569403), (27, 442869), (63, 189801), (81, 147623), (189, 63267), (567, 21089)]