13742981

素因数分解:

$7^3\times {\mathrm{103}}^1\times {\mathrm{389}}^1$

素因数の和:513

約数の個数: 16

約数和(自身を含む): 16224000

約数和(自身を除く): 2481019

約数列:

[1, 7, 49, 103, 343, 389, 721, 2723, 5047, 19061, 35329, 40067, 133427, 280469, 1963283, 13742981]

約数ペア:

[(1, 13742981), (7, 1963283), (49, 280469), (103, 133427), (343, 40067), (389, 35329), (721, 19061), (2723, 5047)]