12168873

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{7907}}^1$

素因数の和:7938

約数の個数: 20

約数和(自身を含む): 19137360

約数和(自身を除く): 6968487

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 7907, 23721, 71163, 150233, 213489, 450699, 640467, 1352097, 4056291, 12168873]

約数ペア:

[(1, 12168873), (3, 4056291), (9, 1352097), (19, 640467), (27, 450699), (57, 213489), (81, 150233), (171, 71163), (513, 23721), (1539, 7907)]