25920009

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{151579}}^1$

素因数の和:151604

約数の個数: 12

約数和(自身を含む): 39410800

約数和(自身を除く): 13490791

約数列:

[1, 3, 9, 19, 57, 171, 151579, 454737, 1364211, 2880001, 8640003, 25920009]

約数ペア:

[(1, 25920009), (3, 8640003), (9, 2880001), (19, 1364211), (57, 454737), (171, 151579)]