28826847

素因数分解:

$3^7\times 7^2\times {\mathrm{269}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 50479200

約数和(自身を除く): 21652353

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 243, 269, 441, 567, 729, 807, 1323, 1701, 1883, 2187, 2421, 3969, 5103, 5649, 7263, 11907, 13181, 15309, 16947, 21789, 35721, 39543, 50841, 65367, 107163, 118629, 152523, 196101, 355887, 457569, 588303, 1067661, 1372707, 3202983, 4118121, 9608949, 28826847]

約数ペア:

[(1, 28826847), (3, 9608949), (7, 4118121), (9, 3202983), (21, 1372707), (27, 1067661), (49, 588303), (63, 457569), (81, 355887), (147, 196101), (189, 152523), (243, 118629), (269, 107163), (441, 65367), (567, 50841), (729, 39543), (807, 35721), (1323, 21789), (1701, 16947), (1883, 15309), (2187, 13181), (2421, 11907), (3969, 7263), (5103, 5649)]