81285438

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1042121}}^1$

素因数の和:1042139

約数の個数: 16

約数和(自身を含む): 175076496

約数和(自身を除く): 93791058

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 1042121, 2084242, 3126363, 6252726, 13547573, 27095146, 40642719, 81285438]

約数ペア:

[(1, 81285438), (2, 40642719), (3, 27095146), (6, 13547573), (13, 6252726), (26, 3126363), (39, 2084242), (78, 1042121)]