28121183

素因数分解:

${\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:326

約数の個数: 16

約数和(自身を含む): 29855232

約数和(自身を除く): 1734049

約数列:

[1, 43, 61, 71, 151, 2623, 3053, 4331, 6493, 9211, 10721, 186233, 396073, 461003, 653981, 28121183]

約数ペア:

[(1, 28121183), (43, 653981), (61, 461003), (71, 396073), (151, 186233), (2623, 10721), (3053, 9211), (4331, 6493)]