30205467

素因数分解:

$3^4\times {\mathrm{257}}^1\times {\mathrm{1451}}^1$

素因数の和:1720

約数の個数: 20

約数和(自身を含む): 45328536

約数和(自身を除く): 15123069

約数列:

[1, 3, 9, 27, 81, 257, 771, 1451, 2313, 4353, 6939, 13059, 20817, 39177, 117531, 372907, 1118721, 3356163, 10068489, 30205467]

約数ペア:

[(1, 30205467), (3, 10068489), (9, 3356163), (27, 1118721), (81, 372907), (257, 117531), (771, 39177), (1451, 20817), (2313, 13059), (4353, 6939)]