26779905

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{20521}}^1$

素因数の和:20561

約数の個数: 24

約数和(自身を含む): 48021480

約数和(自身を除く): 21241575

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 20521, 61563, 102605, 184689, 307815, 595109, 923445, 1785327, 2975545, 5355981, 8926635, 26779905]

約数ペア:

[(1, 26779905), (3, 8926635), (5, 5355981), (9, 2975545), (15, 1785327), (29, 923445), (45, 595109), (87, 307815), (145, 184689), (261, 102605), (435, 61563), (1305, 20521)]