2008491309

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{77731}}^1$

素因数の和:77783

約数の個数: 40

約数和(自身を含む): 3386005920

約数和(自身を除く): 1377514611

約数列:

[1, 3, 9, 11, 27, 29, 33, 81, 87, 99, 261, 297, 319, 783, 891, 957, 2349, 2871, 8613, 25839, 77731, 233193, 699579, 855041, 2098737, 2254199, 2565123, 6296211, 6762597, 7695369, 20287791, 23086107, 24796189, 60863373, 69258321, 74388567, 182590119, 223165701, 669497103, 2008491309]

約数ペア:

[(1, 2008491309), (3, 669497103), (9, 223165701), (11, 182590119), (27, 74388567), (29, 69258321), (33, 60863373), (81, 24796189), (87, 23086107), (99, 20287791), (261, 7695369), (297, 6762597), (319, 6296211), (783, 2565123), (891, 2254199), (957, 2098737), (2349, 855041), (2871, 699579), (8613, 233193), (25839, 77731)]