31238207

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{2837}}^1$

素因数の和:2879

約数の個数: 24

約数和(自身を含む): 42274848

約数和(自身を除く): 11036641

約数列:

[1, 7, 11, 13, 77, 91, 121, 143, 847, 1001, 1573, 2837, 11011, 19859, 31207, 36881, 218449, 258167, 343277, 405691, 2402939, 2839837, 4462601, 31238207]

約数ペア:

[(1, 31238207), (7, 4462601), (11, 2839837), (13, 2402939), (77, 405691), (91, 343277), (121, 258167), (143, 218449), (847, 36881), (1001, 31207), (1573, 19859), (2837, 11011)]