28221993

素因数分解:

$3^3\times {\mathrm{439}}^1\times {\mathrm{2381}}^1$

素因数の和:2829

約数の個数: 16

約数和(自身を含む): 41923200

約数和(自身を除く): 13701207

約数列:

[1, 3, 9, 27, 439, 1317, 2381, 3951, 7143, 11853, 21429, 64287, 1045259, 3135777, 9407331, 28221993]

約数ペア:

[(1, 28221993), (3, 9407331), (9, 3135777), (27, 1045259), (439, 64287), (1317, 21429), (2381, 11853), (3951, 7143)]