28688121

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13799}}^1$

素因数の和:13826

約数の個数: 32

約数和(自身を含む): 52992000

約数和(自身を除く): 24303879

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 189, 231, 297, 693, 2079, 13799, 41397, 96593, 124191, 151789, 289779, 372573, 455367, 869337, 1062523, 1366101, 2608011, 3187569, 4098303, 9562707, 28688121]

約数ペア:

[(1, 28688121), (3, 9562707), (7, 4098303), (9, 3187569), (11, 2608011), (21, 1366101), (27, 1062523), (33, 869337), (63, 455367), (77, 372573), (99, 289779), (189, 151789), (231, 124191), (297, 96593), (693, 41397), (2079, 13799)]