209437893

素因数分解:

$3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19441}}^1$

素因数の和:19479

約数の個数: 40

約数和(自身を含む): 376397120

約数和(自身を除く): 166959227

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 133, 171, 189, 399, 513, 567, 1197, 1539, 3591, 10773, 19441, 58323, 136087, 174969, 369379, 408261, 524907, 1108137, 1224783, 1574721, 2585653, 3324411, 3674349, 7756959, 9973233, 11023047, 23270877, 29919699, 69812631, 209437893]

約数ペア:

[(1, 209437893), (3, 69812631), (7, 29919699), (9, 23270877), (19, 11023047), (21, 9973233), (27, 7756959), (57, 3674349), (63, 3324411), (81, 2585653), (133, 1574721), (171, 1224783), (189, 1108137), (399, 524907), (513, 408261), (567, 369379), (1197, 174969), (1539, 136087), (3591, 58323), (10773, 19441)]