2564541

素因数分解:

$3^4\times 7^1\times {\mathrm{4523}}^1$

素因数の和:4542

約数の個数: 20

約数和(自身を含む): 4379232

約数和(自身を除く): 1814691

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 4523, 13569, 31661, 40707, 94983, 122121, 284949, 366363, 854847, 2564541]

約数ペア:

[(1, 2564541), (3, 854847), (7, 366363), (9, 284949), (21, 122121), (27, 94983), (63, 40707), (81, 31661), (189, 13569), (567, 4523)]