12191391

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{3671}}^1$

素因数の和:3724

約数の個数: 20

約数和(自身を含む): 18661104

約数和(自身を除く): 6469713

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 3671, 11013, 33039, 99117, 150511, 297351, 451533, 1354599, 4063797, 12191391]

約数ペア:

[(1, 12191391), (3, 4063797), (9, 1354599), (27, 451533), (41, 297351), (81, 150511), (123, 99117), (369, 33039), (1107, 11013), (3321, 3671)]