1620996897

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{264739}}^1$

素因数の和:264912

約数の個数: 16

約数和(自身を含む): 2342419520

約数和(自身を除く): 721422623

約数列:

[1, 3, 13, 39, 157, 471, 2041, 6123, 264739, 794217, 3441607, 10324821, 41564023, 124692069, 540332299, 1620996897]

約数ペア:

[(1, 1620996897), (3, 540332299), (13, 124692069), (39, 41564023), (157, 10324821), (471, 3441607), (2041, 794217), (6123, 264739)]