19944009

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{43451}}^1$

素因数の和:43477

約数の個数: 16

約数和(自身を含む): 31285440

約数和(自身を除く): 11341431

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 43451, 130353, 391059, 738667, 1173177, 2216001, 6648003, 19944009]

約数ペア:

[(1, 19944009), (3, 6648003), (9, 2216001), (17, 1173177), (27, 738667), (51, 391059), (153, 130353), (459, 43451)]