12187791

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{409}}^1$

素因数の和:476

約数の個数: 48

約数和(自身を含む): 22513920

約数和(自身を除く): 10326129

約数列:

[1, 3, 7, 9, 11, 21, 33, 43, 63, 77, 99, 129, 231, 301, 387, 409, 473, 693, 903, 1227, 1419, 2709, 2863, 3311, 3681, 4257, 4499, 8589, 9933, 13497, 17587, 25767, 29799, 31493, 40491, 52761, 94479, 123109, 158283, 193457, 283437, 369327, 580371, 1107981, 1354199, 1741113, 4062597, 12187791]

約数ペア:

[(1, 12187791), (3, 4062597), (7, 1741113), (9, 1354199), (11, 1107981), (21, 580371), (33, 369327), (43, 283437), (63, 193457), (77, 158283), (99, 123109), (129, 94479), (231, 52761), (301, 40491), (387, 31493), (409, 29799), (473, 25767), (693, 17587), (903, 13497), (1227, 9933), (1419, 8589), (2709, 4499), (2863, 4257), (3311, 3681)]