2245905

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1721}}^1$

素因数の和:1761

約数の個数: 24

約数和(自身を含む): 4029480

約数和(自身を除く): 1783575

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 1721, 5163, 8605, 15489, 25815, 49909, 77445, 149727, 249545, 449181, 748635, 2245905]

約数ペア:

[(1, 2245905), (3, 748635), (5, 449181), (9, 249545), (15, 149727), (29, 77445), (45, 49909), (87, 25815), (145, 15489), (261, 8605), (435, 5163), (1305, 1721)]