66961449

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{2437}}^1$

素因数の和:2557

約数の個数: 24

約数和(自身を含む): 100406592

約数和(自身を除く): 33445143

約数列:

[1, 3, 9, 43, 71, 129, 213, 387, 639, 2437, 3053, 7311, 9159, 21933, 27477, 104791, 173027, 314373, 519081, 943119, 1557243, 7440161, 22320483, 66961449]

約数ペア:

[(1, 66961449), (3, 22320483), (9, 7440161), (43, 1557243), (71, 943119), (129, 519081), (213, 314373), (387, 173027), (639, 104791), (2437, 27477), (3053, 21933), (7311, 9159)]