6439209

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{1061}}^1$

素因数の和:1105

約数の個数: 24

約数和(自身を含む): 10433088

約数和(自身を除く): 3993879

約数列:

[1, 3, 7, 17, 21, 51, 119, 289, 357, 867, 1061, 2023, 3183, 6069, 7427, 18037, 22281, 54111, 126259, 306629, 378777, 919887, 2146403, 6439209]

約数ペア:

[(1, 6439209), (3, 2146403), (7, 919887), (17, 378777), (21, 306629), (51, 126259), (119, 54111), (289, 22281), (357, 18037), (867, 7427), (1061, 6069), (2023, 3183)]