7940427

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{3389}}^1$

素因数の和:3474

約数の個数: 16

約数和(自身を含む): 11715840

約数和(自身を除く): 3775413

約数列:

[1, 3, 11, 33, 71, 213, 781, 2343, 3389, 10167, 37279, 111837, 240619, 721857, 2646809, 7940427]

約数ペア:

[(1, 7940427), (3, 2646809), (11, 721857), (33, 240619), (71, 111837), (213, 37279), (781, 10167), (2343, 3389)]