387387

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1$

素因数の和:80

約数の個数: 48

約数和(自身を含む): 768768

約数和(自身を除く): 381381

約数列:

[1, 3, 7, 9, 11, 13, 21, 33, 39, 43, 63, 77, 91, 99, 117, 129, 143, 231, 273, 301, 387, 429, 473, 559, 693, 819, 903, 1001, 1287, 1419, 1677, 2709, 3003, 3311, 3913, 4257, 5031, 6149, 9009, 9933, 11739, 18447, 29799, 35217, 43043, 55341, 129129, 387387]

約数ペア:

[(1, 387387), (3, 129129), (7, 55341), (9, 43043), (11, 35217), (13, 29799), (21, 18447), (33, 11739), (39, 9933), (43, 9009), (63, 6149), (77, 5031), (91, 4257), (99, 3913), (117, 3311), (129, 3003), (143, 2709), (231, 1677), (273, 1419), (301, 1287), (387, 1001), (429, 903), (473, 819), (559, 693)]