131118911

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^2$

素因数の和:459

約数の個数: 24

約数和(自身を含む): 168119424

約数和(自身を除く): 37000513

約数列:

[1, 7, 11, 43, 77, 199, 301, 473, 1393, 2189, 3311, 8557, 15323, 39601, 59899, 94127, 277207, 435611, 658889, 1702843, 3049277, 11919901, 18731273, 131118911]

約数ペア:

[(1, 131118911), (7, 18731273), (11, 11919901), (43, 3049277), (77, 1702843), (199, 658889), (301, 435611), (473, 277207), (1393, 94127), (2189, 59899), (3311, 39601), (8557, 15323)]