18681111

素因数分解:

$3^5\times {\mathrm{59}}^1\times {\mathrm{1303}}^1$

素因数の和:1377

約数の個数: 24

約数和(自身を含む): 28479360

約数和(自身を除く): 9798249

約数列:

[1, 3, 9, 27, 59, 81, 177, 243, 531, 1303, 1593, 3909, 4779, 11727, 14337, 35181, 76877, 105543, 230631, 316629, 691893, 2075679, 6227037, 18681111]

約数ペア:

[(1, 18681111), (3, 6227037), (9, 2075679), (27, 691893), (59, 316629), (81, 230631), (177, 105543), (243, 76877), (531, 35181), (1303, 14337), (1593, 11727), (3909, 4779)]