289399317

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{220747}}^1$

素因数の和:220792

約数の個数: 16

約数和(自身を含む): 423836160

約数和(自身を除く): 134436843

約数列:

[1, 3, 19, 23, 57, 69, 437, 1311, 220747, 662241, 4194193, 5077181, 12582579, 15231543, 96466439, 289399317]

約数ペア:

[(1, 289399317), (3, 96466439), (19, 15231543), (23, 12582579), (57, 5077181), (69, 4194193), (437, 662241), (1311, 220747)]