2021316525

素因数分解:

$3^6\times 5^2\times {\mathrm{110909}}^1$

素因数の和:110937

約数の個数: 42

約数和(自身を含む): 3757963530

約数和(自身を除く): 1736647005

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 405, 675, 729, 1215, 2025, 3645, 6075, 18225, 110909, 332727, 554545, 998181, 1663635, 2772725, 2994543, 4990905, 8318175, 8983629, 14972715, 24954525, 26950887, 44918145, 74863575, 80852661, 134754435, 224590725, 404263305, 673772175, 2021316525]

約数ペア:

[(1, 2021316525), (3, 673772175), (5, 404263305), (9, 224590725), (15, 134754435), (25, 80852661), (27, 74863575), (45, 44918145), (75, 26950887), (81, 24954525), (135, 14972715), (225, 8983629), (243, 8318175), (405, 4990905), (675, 2994543), (729, 2772725), (1215, 1663635), (2025, 998181), (3645, 554545), (6075, 332727), (18225, 110909)]