12118221

素因数分解:

$3^3\times {\mathrm{479}}^1\times {\mathrm{937}}^1$

素因数の和:1425

約数の個数: 16

約数和(自身を含む): 18009600

約数和(自身を除く): 5891379

約数列:

[1, 3, 9, 27, 479, 937, 1437, 2811, 4311, 8433, 12933, 25299, 448823, 1346469, 4039407, 12118221]

約数ペア:

[(1, 12118221), (3, 4039407), (9, 1346469), (27, 448823), (479, 25299), (937, 12933), (1437, 8433), (2811, 4311)]