28201707

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{46769}}^1$

素因数の和:46842

約数の個数: 12

約数和(自身を含む): 41344680

約数和(自身を除く): 13142973

約数列:

[1, 3, 9, 67, 201, 603, 46769, 140307, 420921, 3133523, 9400569, 28201707]

約数ペア:

[(1, 28201707), (3, 9400569), (9, 3133523), (67, 420921), (201, 140307), (603, 46769)]