28008309

素因数分解:

$3^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{7451}}^1$

素因数の和:7640

約数の個数: 16

約数和(自身を含む): 42923520

約数和(自身を除く): 14915211

約数列:

[1, 3, 7, 21, 179, 537, 1253, 3759, 7451, 22353, 52157, 156471, 1333729, 4001187, 9336103, 28008309]

約数ペア:

[(1, 28008309), (3, 9336103), (7, 4001187), (21, 1333729), (179, 156471), (537, 52157), (1253, 22353), (3759, 7451)]