28639713

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{4099}}^1$

素因数の和:4256

約数の個数: 16

約数和(自身を含む): 40737600

約数和(自身を除く): 12097887

約数列:

[1, 3, 17, 51, 137, 411, 2329, 4099, 6987, 12297, 69683, 209049, 561563, 1684689, 9546571, 28639713]

約数ペア:

[(1, 28639713), (3, 9546571), (17, 1684689), (51, 561563), (137, 209049), (411, 69683), (2329, 12297), (4099, 6987)]