64289781

素因数分解:

$3^6\times {\mathrm{29}}^1\times {\mathrm{3041}}^1$

素因数の和:3088

約数の個数: 28

約数和(自身を含む): 99747180

約数和(自身を除く): 35457399

約数列:

[1, 3, 9, 27, 29, 81, 87, 243, 261, 729, 783, 2349, 3041, 7047, 9123, 21141, 27369, 82107, 88189, 246321, 264567, 738963, 793701, 2216889, 2381103, 7143309, 21429927, 64289781]

約数ペア:

[(1, 64289781), (3, 21429927), (9, 7143309), (27, 2381103), (29, 2216889), (81, 793701), (87, 738963), (243, 264567), (261, 246321), (729, 88189), (783, 82107), (2349, 27369), (3041, 21141), (7047, 9123)]