28684227

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{66863}}^1$

素因数の和:66890

約数の個数: 16

約数和(自身を含む): 44932608

約数和(自身を除く): 16248381

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 66863, 200589, 735493, 869219, 2206479, 2607657, 9561409, 28684227]

約数ペア:

[(1, 28684227), (3, 9561409), (11, 2607657), (13, 2206479), (33, 869219), (39, 735493), (143, 200589), (429, 66863)]