891891

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1$

素因数の和:54

約数の個数: 60

約数和(自身を含む): 1802416

約数和(自身を除く): 910525

約数列:

[1, 3, 7, 9, 11, 13, 21, 27, 33, 39, 63, 77, 81, 91, 99, 117, 121, 143, 189, 231, 273, 297, 351, 363, 429, 567, 693, 819, 847, 891, 1001, 1053, 1089, 1287, 1573, 2079, 2457, 2541, 3003, 3267, 3861, 4719, 6237, 7371, 7623, 9009, 9801, 11011, 11583, 14157, 22869, 27027, 33033, 42471, 68607, 81081, 99099, 127413, 297297, 891891]

約数ペア:

[(1, 891891), (3, 297297), (7, 127413), (9, 99099), (11, 81081), (13, 68607), (21, 42471), (27, 33033), (33, 27027), (39, 22869), (63, 14157), (77, 11583), (81, 11011), (91, 9801), (99, 9009), (117, 7623), (121, 7371), (143, 6237), (189, 4719), (231, 3861), (273, 3267), (297, 3003), (351, 2541), (363, 2457), (429, 2079), (567, 1573), (693, 1287), (819, 1089), (847, 1053), (891, 1001)]