2680491

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1889}}^1$

素因数の和:1946

約数の個数: 16

約数和(自身を含む): 3991680

約数和(自身を除く): 1311189

約数列:

[1, 3, 11, 33, 43, 129, 473, 1419, 1889, 5667, 20779, 62337, 81227, 243681, 893497, 2680491]

約数ペア:

[(1, 2680491), (3, 893497), (11, 243681), (33, 81227), (43, 62337), (129, 20779), (473, 5667), (1419, 1889)]