66490227

素因数分解:

$3^4\times {\mathrm{59}}^1\times {\mathrm{13913}}^1$

素因数の和:13984

約数の個数: 20

約数和(自身を含む): 101015640

約数和(自身を除く): 34525413

約数列:

[1, 3, 9, 27, 59, 81, 177, 531, 1593, 4779, 13913, 41739, 125217, 375651, 820867, 1126953, 2462601, 7387803, 22163409, 66490227]

約数ペア:

[(1, 66490227), (3, 22163409), (9, 7387803), (27, 2462601), (59, 1126953), (81, 820867), (177, 375651), (531, 125217), (1593, 41739), (4779, 13913)]