16615692009

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{7128139}}^1$

素因数の和:7128189

約数の個数: 24

約数和(自身を含む): 28170409280

約数和(自身を除く): 11554717271

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 7128139, 21384417, 49896973, 64153251, 149690919, 263741143, 449072757, 791223429, 1846188001, 2373670287, 5538564003, 16615692009]

約数ペア:

[(1, 16615692009), (3, 5538564003), (7, 2373670287), (9, 1846188001), (21, 791223429), (37, 449072757), (63, 263741143), (111, 149690919), (259, 64153251), (333, 49896973), (777, 21384417), (2331, 7128139)]