13909311

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6257}}^1$

素因数の和:6295

約数の個数: 24

約数和(自身を含む): 22779120

約数和(自身を除く): 8869809

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 6257, 18771, 56313, 81341, 118883, 244023, 356649, 732069, 1069947, 1545479, 4636437, 13909311]

約数ペア:

[(1, 13909311), (3, 4636437), (9, 1545479), (13, 1069947), (19, 732069), (39, 356649), (57, 244023), (117, 118883), (171, 81341), (247, 56313), (741, 18771), (2223, 6257)]