28577571

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{12197}}^1$

素因数の和:12282

約数の個数: 16

約数和(自身を含む): 42156288

約数和(自身を除く): 13578717

約数列:

[1, 3, 11, 33, 71, 213, 781, 2343, 12197, 36591, 134167, 402501, 865987, 2597961, 9525857, 28577571]

約数ペア:

[(1, 28577571), (3, 9525857), (11, 2597961), (33, 865987), (71, 402501), (213, 134167), (781, 36591), (2343, 12197)]