8870391

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{2671}}^1$

素因数の和:2724

約数の個数: 20

約数和(自身を含む): 13579104

約数和(自身を除く): 4708713

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 2671, 3321, 8013, 24039, 72117, 109511, 216351, 328533, 985599, 2956797, 8870391]

約数ペア:

[(1, 8870391), (3, 2956797), (9, 985599), (27, 328533), (41, 216351), (81, 109511), (123, 72117), (369, 24039), (1107, 8013), (2671, 3321)]