2557220337

素因数分解:

$3^2\times 7^1\times {\mathrm{751}}^1\times {\mathrm{54049}}^1$

素因数の和:54813

約数の個数: 24

約数和(自身を含む): 4227142400

約数和(自身を除く): 1669922063

約数列:

[1, 3, 7, 9, 21, 63, 751, 2253, 5257, 6759, 15771, 47313, 54049, 162147, 378343, 486441, 1135029, 3405087, 40590799, 121772397, 284135593, 365317191, 852406779, 2557220337]

約数ペア:

[(1, 2557220337), (3, 852406779), (7, 365317191), (9, 284135593), (21, 121772397), (63, 40590799), (751, 3405087), (2253, 1135029), (5257, 486441), (6759, 378343), (15771, 162147), (47313, 54049)]