123780519

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{809023}}^1$

素因数の和:809046

約数の個数: 12

約数和(自身を含む): 189311616

約数和(自身を除く): 65531097

約数列:

[1, 3, 9, 17, 51, 153, 809023, 2427069, 7281207, 13753391, 41260173, 123780519]

約数ペア:

[(1, 123780519), (3, 41260173), (9, 13753391), (17, 7281207), (51, 2427069), (153, 809023)]