28040859

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{941}}^1$

素因数の和:1008

約数の個数: 48

約数和(自身を含む): 51727104

約数和(自身を除く): 23686245

約数列:

[1, 3, 7, 9, 11, 21, 33, 43, 63, 77, 99, 129, 231, 301, 387, 473, 693, 903, 941, 1419, 2709, 2823, 3311, 4257, 6587, 8469, 9933, 10351, 19761, 29799, 31053, 40463, 59283, 72457, 93159, 121389, 217371, 283241, 364167, 445093, 652113, 849723, 1335279, 2549169, 3115651, 4005837, 9346953, 28040859]

約数ペア:

[(1, 28040859), (3, 9346953), (7, 4005837), (9, 3115651), (11, 2549169), (21, 1335279), (33, 849723), (43, 652113), (63, 445093), (77, 364167), (99, 283241), (129, 217371), (231, 121389), (301, 93159), (387, 72457), (473, 59283), (693, 40463), (903, 31053), (941, 29799), (1419, 19761), (2709, 10351), (2823, 9933), (3311, 8469), (4257, 6587)]