51981489

素因数分解:

$3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{9941}}^1$

素因数の和:10037

約数の個数: 24

約数和(自身を含む): 86853312

約数和(自身を除く): 34871823

約数列:

[1, 3, 7, 9, 21, 63, 83, 249, 581, 747, 1743, 5229, 9941, 29823, 69587, 89469, 208761, 626283, 825103, 2475309, 5775721, 7425927, 17327163, 51981489]

約数ペア:

[(1, 51981489), (3, 17327163), (7, 7425927), (9, 5775721), (21, 2475309), (63, 825103), (83, 626283), (249, 208761), (581, 89469), (747, 69587), (1743, 29823), (5229, 9941)]