990777225

素因数分解:

$3^1\times 5^2\times {\mathrm{83}}^1\times {\mathrm{159161}}^1$

素因数の和:159257

約数の個数: 24

約数和(自身を含む): 1657831392

約数和(自身を除く): 667054167

約数列:

[1, 3, 5, 15, 25, 75, 83, 249, 415, 1245, 2075, 6225, 159161, 477483, 795805, 2387415, 3979025, 11937075, 13210363, 39631089, 66051815, 198155445, 330259075, 990777225]

約数ペア:

[(1, 990777225), (3, 330259075), (5, 198155445), (15, 66051815), (25, 39631089), (75, 13210363), (83, 11937075), (249, 3979025), (415, 2387415), (1245, 795805), (2075, 477483), (6225, 159161)]