81119155

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{5647}}^1$

素因数の和:5695

約数の個数: 24

約数和(自身を含む): 111627072

約数和(自身を除く): 30507917

約数列:

[1, 5, 13, 17, 65, 85, 169, 221, 845, 1105, 2873, 5647, 14365, 28235, 73411, 95999, 367055, 479995, 954343, 1247987, 4771715, 6239935, 16223831, 81119155]

約数ペア:

[(1, 81119155), (5, 16223831), (13, 6239935), (17, 4771715), (65, 1247987), (85, 954343), (169, 479995), (221, 367055), (845, 95999), (1105, 73411), (2873, 28235), (5647, 14365)]