28243905

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{43789}}^1$

素因数の和:43840

約数の個数: 16

約数和(自身を含む): 46242240

約数和(自身を除く): 17998335

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 43789, 131367, 218945, 656835, 1882927, 5648781, 9414635, 28243905]

約数ペア:

[(1, 28243905), (3, 9414635), (5, 5648781), (15, 1882927), (43, 656835), (129, 218945), (215, 131367), (645, 43789)]