12981561

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{1093}}^1$

素因数の和:1240

約数の個数: 16

約数和(自身を含む): 17959104

約数和(自身を除く): 4977543

約数列:

[1, 3, 37, 107, 111, 321, 1093, 3279, 3959, 11877, 40441, 116951, 121323, 350853, 4327187, 12981561]

約数ペア:

[(1, 12981561), (3, 4327187), (37, 350853), (107, 121323), (111, 116951), (321, 40441), (1093, 11877), (3279, 3959)]