20431131

素因数分解:

$3^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{4889}}^1$

素因数の和:5098

約数の個数: 16

約数和(自身を含む): 31296000

約数和(自身を除く): 10864869

約数列:

[1, 3, 7, 21, 199, 597, 1393, 4179, 4889, 14667, 34223, 102669, 972911, 2918733, 6810377, 20431131]

約数ペア:

[(1, 20431131), (3, 6810377), (7, 2918733), (21, 972911), (199, 102669), (597, 34223), (1393, 14667), (4179, 4889)]