2540391

素因数分解:

$3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{883}}^1$

素因数の和:1030

約数の個数: 16

約数和(自身を含む): 3903744

約数和(自身を除く): 1363353

約数列:

[1, 3, 7, 21, 137, 411, 883, 959, 2649, 2877, 6181, 18543, 120971, 362913, 846797, 2540391]

約数ペア:

[(1, 2540391), (3, 846797), (7, 362913), (21, 120971), (137, 18543), (411, 6181), (883, 2877), (959, 2649)]