128435727

素因数分解:

$3^1\times 7^1\times {\mathrm{1657}}^1\times {\mathrm{3691}}^1$

素因数の和:5358

約数の個数: 16

約数和(自身を含む): 195882752

約数和(自身を除く): 67447025

約数列:

[1, 3, 7, 21, 1657, 3691, 4971, 11073, 11599, 25837, 34797, 77511, 6115987, 18347961, 42811909, 128435727]

約数ペア:

[(1, 128435727), (3, 42811909), (7, 18347961), (21, 6115987), (1657, 77511), (3691, 34797), (4971, 25837), (11073, 11599)]