2757321

素因数分解:

$3^5\times 7^1\times {\mathrm{1621}}^1$

素因数の和:1643

約数の個数: 24

約数和(自身を含む): 4723264

約数和(自身を除く): 1965943

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1621, 1701, 4863, 11347, 14589, 34041, 43767, 102123, 131301, 306369, 393903, 919107, 2757321]

約数ペア:

[(1, 2757321), (3, 919107), (7, 393903), (9, 306369), (21, 131301), (27, 102123), (63, 43767), (81, 34041), (189, 14589), (243, 11347), (567, 4863), (1621, 1701)]