218557629

素因数分解:

$3^3\times {\mathrm{643}}^1\times {\mathrm{12589}}^1$

素因数の和:13241

約数の個数: 16

約数和(自身を含む): 324318400

約数和(自身を除く): 105760771

約数列:

[1, 3, 9, 27, 643, 1929, 5787, 12589, 17361, 37767, 113301, 339903, 8094727, 24284181, 72852543, 218557629]

約数ペア:

[(1, 218557629), (3, 72852543), (9, 24284181), (27, 8094727), (643, 339903), (1929, 113301), (5787, 37767), (12589, 17361)]