81272247

素因数分解:

$3^1\times 7^1\times {\mathrm{1811}}^1\times {\mathrm{2137}}^1$

素因数の和:3958

約数の個数: 16

約数和(自身を含む): 123969792

約数和(自身を除く): 42697545

約数列:

[1, 3, 7, 21, 1811, 2137, 5433, 6411, 12677, 14959, 38031, 44877, 3870107, 11610321, 27090749, 81272247]

約数ペア:

[(1, 81272247), (3, 27090749), (7, 11610321), (21, 3870107), (1811, 44877), (2137, 38031), (5433, 14959), (6411, 12677)]