28791027

素因数分解:

$3^2\times {\mathrm{127}}^1\times {\mathrm{25189}}^1$

素因数の和:25322

約数の個数: 12

約数和(自身を含む): 41916160

約数和(自身を除く): 13125133

約数列:

[1, 3, 9, 127, 381, 1143, 25189, 75567, 226701, 3199003, 9597009, 28791027]

約数ペア:

[(1, 28791027), (3, 9597009), (9, 3199003), (127, 226701), (381, 75567), (1143, 25189)]