7681905

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{739}}^1$

素因数の和:771

約数の個数: 64

約数和(自身を含む): 17049600

約数和(自身を除く): 9367695

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 27, 33, 35, 45, 55, 63, 77, 99, 105, 135, 165, 189, 231, 297, 315, 385, 495, 693, 739, 945, 1155, 1485, 2079, 2217, 3465, 3695, 5173, 6651, 8129, 10395, 11085, 15519, 19953, 24387, 25865, 33255, 40645, 46557, 56903, 73161, 77595, 99765, 121935, 139671, 170709, 219483, 232785, 284515, 365805, 512127, 698355, 853545, 1097415, 1536381, 2560635, 7681905]

約数ペア:

[(1, 7681905), (3, 2560635), (5, 1536381), (7, 1097415), (9, 853545), (11, 698355), (15, 512127), (21, 365805), (27, 284515), (33, 232785), (35, 219483), (45, 170709), (55, 139671), (63, 121935), (77, 99765), (99, 77595), (105, 73161), (135, 56903), (165, 46557), (189, 40645), (231, 33255), (297, 25865), (315, 24387), (385, 19953), (495, 15519), (693, 11085), (739, 10395), (945, 8129), (1155, 6651), (1485, 5173), (2079, 3695), (2217, 3465)]