12485781

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{419}}^1$

素因数の和:486

約数の個数: 48

約数和(自身を含む): 23063040

約数和(自身を除く): 10577259

約数列:

[1, 3, 7, 9, 11, 21, 33, 43, 63, 77, 99, 129, 231, 301, 387, 419, 473, 693, 903, 1257, 1419, 2709, 2933, 3311, 3771, 4257, 4609, 8799, 9933, 13827, 18017, 26397, 29799, 32263, 41481, 54051, 96789, 126119, 162153, 198187, 290367, 378357, 594561, 1135071, 1387309, 1783683, 4161927, 12485781]

約数ペア:

[(1, 12485781), (3, 4161927), (7, 1783683), (9, 1387309), (11, 1135071), (21, 594561), (33, 378357), (43, 290367), (63, 198187), (77, 162153), (99, 126119), (129, 96789), (231, 54051), (301, 41481), (387, 32263), (419, 29799), (473, 26397), (693, 18017), (903, 13827), (1257, 9933), (1419, 8799), (2709, 4609), (2933, 4257), (3311, 3771)]