28708731

素因数分解:

$3^2\times {\mathrm{127}}^1\times {\mathrm{25117}}^1$

素因数の和:25250

約数の個数: 12

約数和(自身を含む): 41796352

約数和(自身を除く): 13087621

約数列:

[1, 3, 9, 127, 381, 1143, 25117, 75351, 226053, 3189859, 9569577, 28708731]

約数ペア:

[(1, 28708731), (3, 9569577), (9, 3189859), (127, 226053), (381, 75351), (1143, 25117)]