13393947

素因数分解:

$3^1\times 7^1\times {\mathrm{571}}^1\times {\mathrm{1117}}^1$

素因数の和:1698

約数の個数: 16

約数和(自身を含む): 20463872

約数和(自身を除く): 7069925

約数列:

[1, 3, 7, 21, 571, 1117, 1713, 3351, 3997, 7819, 11991, 23457, 637807, 1913421, 4464649, 13393947]

約数ペア:

[(1, 13393947), (3, 4464649), (7, 1913421), (21, 637807), (571, 23457), (1117, 11991), (1713, 7819), (3351, 3997)]