205310889

素因数分解:

$3^3\times 7^1\times {\mathrm{1086301}}^1$

素因数の和:1086317

約数の個数: 16

約数和(自身を含む): 347616640

約数和(自身を除く): 142305751

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1086301, 3258903, 7604107, 9776709, 22812321, 29330127, 68436963, 205310889]

約数ペア:

[(1, 205310889), (3, 68436963), (7, 29330127), (9, 22812321), (21, 9776709), (27, 7604107), (63, 3258903), (189, 1086301)]