2178736749

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1\times {\mathrm{3449}}^1$

素因数の和:3770

約数の個数: 48

約数和(自身を含む): 3708556800

約数和(自身を除く): 1529820051

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 271, 333, 777, 813, 1897, 2331, 2439, 3449, 5691, 10027, 10347, 17073, 24143, 30081, 31041, 70189, 72429, 90243, 127613, 210567, 217287, 382839, 631701, 893291, 934679, 1148517, 2679873, 2804037, 6542753, 8039619, 8412111, 19628259, 34583123, 58884777, 103749369, 242081861, 311248107, 726245583, 2178736749]

約数ペア:

[(1, 2178736749), (3, 726245583), (7, 311248107), (9, 242081861), (21, 103749369), (37, 58884777), (63, 34583123), (111, 19628259), (259, 8412111), (271, 8039619), (333, 6542753), (777, 2804037), (813, 2679873), (1897, 1148517), (2331, 934679), (2439, 893291), (3449, 631701), (5691, 382839), (10027, 217287), (10347, 210567), (17073, 127613), (24143, 90243), (30081, 72429), (31041, 70189)]