205784787

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{142609}}^1$

素因数の和:142662

約数の個数: 16

約数和(自身を含む): 303474080

約数和(自身を除く): 97689293

約数列:

[1, 3, 13, 37, 39, 111, 481, 1443, 142609, 427827, 1853917, 5276533, 5561751, 15829599, 68594929, 205784787]

約数ペア:

[(1, 205784787), (3, 68594929), (13, 15829599), (37, 5561751), (39, 5276533), (111, 1853917), (481, 427827), (1443, 142609)]