128538531

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{15643}}^1$

素因数の和:15743

約数の個数: 24

約数和(自身を含む): 204998976

約数和(自身を除く): 76460445

約数列:

[1, 3, 9, 11, 33, 83, 99, 249, 747, 913, 2739, 8217, 15643, 46929, 140787, 172073, 516219, 1298369, 1548657, 3895107, 11685321, 14282059, 42846177, 128538531]

約数ペア:

[(1, 128538531), (3, 42846177), (9, 14282059), (11, 11685321), (33, 3895107), (83, 1548657), (99, 1298369), (249, 516219), (747, 172073), (913, 140787), (2739, 46929), (8217, 15643)]