8675121

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{739}}^1$

素因数の和:805

約数の個数: 32

約数和(自身を含む): 14586880

約数和(自身を除く): 5911759

約数列:

[1, 3, 7, 13, 21, 39, 43, 91, 129, 273, 301, 559, 739, 903, 1677, 2217, 3913, 5173, 9607, 11739, 15519, 28821, 31777, 67249, 95331, 201747, 222439, 413101, 667317, 1239303, 2891707, 8675121]

約数ペア:

[(1, 8675121), (3, 2891707), (7, 1239303), (13, 667317), (21, 413101), (39, 222439), (43, 201747), (91, 95331), (129, 67249), (273, 31777), (301, 28821), (559, 15519), (739, 11739), (903, 9607), (1677, 5173), (2217, 3913)]