28993167

素因数分解:

$3^3\times 7^1\times {\mathrm{179}}^1\times {\mathrm{857}}^1$

素因数の和:1052

約数の個数: 32

約数和(自身を含む): 49420800

約数和(自身を除く): 20427633

約数列:

[1, 3, 7, 9, 21, 27, 63, 179, 189, 537, 857, 1253, 1611, 2571, 3759, 4833, 5999, 7713, 11277, 17997, 23139, 33831, 53991, 153403, 161973, 460209, 1073821, 1380627, 3221463, 4141881, 9664389, 28993167]

約数ペア:

[(1, 28993167), (3, 9664389), (7, 4141881), (9, 3221463), (21, 1380627), (27, 1073821), (63, 460209), (179, 161973), (189, 153403), (537, 53991), (857, 33831), (1253, 23139), (1611, 17997), (2571, 11277), (3759, 7713), (4833, 5999)]