12138321

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{16381}}^1$

素因数の和:16416

約数の個数: 16

約数和(自身を含む): 18347840

約数和(自身を除く): 6209519

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 16381, 49143, 212953, 311239, 638859, 933717, 4046107, 12138321]

約数ペア:

[(1, 12138321), (3, 4046107), (13, 933717), (19, 638859), (39, 311239), (57, 212953), (247, 49143), (741, 16381)]