208551429

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{135511}}^1$

素因数の和:135542

約数の個数: 20

約数和(自身を含む): 327939040

約数和(自身を除く): 119387611

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 135511, 406533, 1219599, 2574709, 3658797, 7724127, 10976391, 23172381, 69517143, 208551429]

約数ペア:

[(1, 208551429), (3, 69517143), (9, 23172381), (19, 10976391), (27, 7724127), (57, 3658797), (81, 2574709), (171, 1219599), (513, 406533), (1539, 135511)]