128239857

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{838169}}^1$

素因数の和:838192

約数の個数: 12

約数和(自身を含む): 196131780

約数和(自身を除く): 67891923

約数列:

[1, 3, 9, 17, 51, 153, 838169, 2514507, 7543521, 14248873, 42746619, 128239857]

約数ペア:

[(1, 128239857), (3, 42746619), (9, 14248873), (17, 7543521), (51, 2514507), (153, 838169)]