2015012457

素因数分解:

$3^4\times {\mathrm{1217}}^1\times {\mathrm{20441}}^1$

素因数の和:21670

約数の個数: 20

約数和(自身を含む): 3012701076

約数和(自身を除く): 997688619

約数列:

[1, 3, 9, 27, 81, 1217, 3651, 10953, 20441, 32859, 61323, 98577, 183969, 551907, 1655721, 24876697, 74630091, 223890273, 671670819, 2015012457]

約数ペア:

[(1, 2015012457), (3, 671670819), (9, 223890273), (27, 74630091), (81, 24876697), (1217, 1655721), (3651, 551907), (10953, 183969), (20441, 98577), (32859, 61323)]