28668087

素因数分解:

$3^4\times 7^2\times {\mathrm{31}}^1\times {\mathrm{233}}^1$

素因数の和:290

約数の個数: 60

約数和(自身を含む): 51644736

約数和(自身を除く): 22976649

約数列:

[1, 3, 7, 9, 21, 27, 31, 49, 63, 81, 93, 147, 189, 217, 233, 279, 441, 567, 651, 699, 837, 1323, 1519, 1631, 1953, 2097, 2511, 3969, 4557, 4893, 5859, 6291, 7223, 11417, 13671, 14679, 17577, 18873, 21669, 34251, 41013, 44037, 50561, 65007, 102753, 123039, 132111, 151683, 195021, 308259, 353927, 455049, 585063, 924777, 1061781, 1365147, 3185343, 4095441, 9556029, 28668087]

約数ペア:

[(1, 28668087), (3, 9556029), (7, 4095441), (9, 3185343), (21, 1365147), (27, 1061781), (31, 924777), (49, 585063), (63, 455049), (81, 353927), (93, 308259), (147, 195021), (189, 151683), (217, 132111), (233, 123039), (279, 102753), (441, 65007), (567, 50561), (651, 44037), (699, 41013), (837, 34251), (1323, 21669), (1519, 18873), (1631, 17577), (1953, 14679), (2097, 13671), (2511, 11417), (3969, 7223), (4557, 6291), (4893, 5859)]