81782135

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{3929}}^1$

素因数の和:4138

約数の個数: 16

約数和(自身を含む): 102997440

約数和(自身を除く): 21215305

約数列:

[1, 5, 23, 115, 181, 905, 3929, 4163, 19645, 20815, 90367, 451835, 711149, 3555745, 16356427, 81782135]

約数ペア:

[(1, 81782135), (5, 16356427), (23, 3555745), (115, 711149), (181, 451835), (905, 90367), (3929, 20815), (4163, 19645)]