80405427

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{23531}}^1$

素因数の和:23618

約数の個数: 16

約数和(自身を含む): 115212672

約数和(自身を除く): 34807245

約数列:

[1, 3, 17, 51, 67, 201, 1139, 3417, 23531, 70593, 400027, 1200081, 1576577, 4729731, 26801809, 80405427]

約数ペア:

[(1, 80405427), (3, 26801809), (17, 4729731), (51, 1576577), (67, 1200081), (201, 400027), (1139, 70593), (3417, 23531)]