38867829

素因数分解:

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

素因数の和:127

約数の個数: 72

約数和(自身を含む): 72509472

約数和(自身を除く): 33641643

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 43, 49, 77, 91, 129, 143, 147, 231, 273, 301, 429, 473, 539, 559, 637, 903, 1001, 1419, 1617, 1677, 1849, 1911, 2107, 3003, 3311, 3913, 5547, 6149, 6321, 7007, 9933, 11739, 12943, 18447, 20339, 21021, 23177, 24037, 27391, 38829, 43043, 61017, 69531, 72111, 82173, 90601, 129129, 142373, 168259, 264407, 271803, 301301, 427119, 504777, 793221, 903903, 996611, 1177813, 1850849, 2989833, 3533439, 5552547, 12955943, 38867829]

約数ペア:

[(1, 38867829), (3, 12955943), (7, 5552547), (11, 3533439), (13, 2989833), (21, 1850849), (33, 1177813), (39, 996611), (43, 903903), (49, 793221), (77, 504777), (91, 427119), (129, 301301), (143, 271803), (147, 264407), (231, 168259), (273, 142373), (301, 129129), (429, 90601), (473, 82173), (539, 72111), (559, 69531), (637, 61017), (903, 43043), (1001, 38829), (1419, 27391), (1617, 24037), (1677, 23177), (1849, 21021), (1911, 20339), (2107, 18447), (3003, 12943), (3311, 11739), (3913, 9933), (5547, 7007), (6149, 6321)]