13157137

素因数分解:

$7^3\times {\mathrm{89}}^1\times {\mathrm{431}}^1$

素因数の和:541

約数の個数: 16

約数和(自身を含む): 15552000

約数和(自身を除く): 2394863

約数列:

[1, 7, 49, 89, 343, 431, 623, 3017, 4361, 21119, 30527, 38359, 147833, 268513, 1879591, 13157137]

約数ペア:

[(1, 13157137), (7, 1879591), (49, 268513), (89, 147833), (343, 38359), (431, 30527), (623, 21119), (3017, 4361)]