81511638

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1045021}}^1$

素因数の和:1045039

約数の個数: 16

約数和(自身を含む): 175563696

約数和(自身を除く): 94052058

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 1045021, 2090042, 3135063, 6270126, 13585273, 27170546, 40755819, 81511638]

約数ペア:

[(1, 81511638), (2, 40755819), (3, 27170546), (6, 13585273), (13, 6270126), (26, 3135063), (39, 2090042), (78, 1045021)]