28393989

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{2341}}^1$

素因数の和:2668

約数の個数: 16

約数和(自身を含む): 40919424

約数和(自身を除く): 12525435

約数列:

[1, 3, 13, 39, 311, 933, 2341, 4043, 7023, 12129, 30433, 91299, 728051, 2184153, 9464663, 28393989]

約数ペア:

[(1, 28393989), (3, 9464663), (13, 2184153), (39, 728051), (311, 91299), (933, 30433), (2341, 12129), (4043, 7023)]