31042765

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{2161}}^1$

素因数の和:2209

約数の個数: 24

約数和(自身を含む): 42729768

約数和(自身を除く): 11687003

約数列:

[1, 5, 13, 17, 65, 85, 169, 221, 845, 1105, 2161, 2873, 10805, 14365, 28093, 36737, 140465, 183685, 365209, 477581, 1826045, 2387905, 6208553, 31042765]

約数ペア:

[(1, 31042765), (5, 6208553), (13, 2387905), (17, 1826045), (65, 477581), (85, 365209), (169, 183685), (221, 140465), (845, 36737), (1105, 28093), (2161, 14365), (2873, 10805)]