81658206

素因数分解:

$2^1\times 3^8\times 7^2\times {\mathrm{127}}^1$

素因数の和:167

約数の個数: 108

約数和(自身を含む): 215399808

約数和(自身を除く): 133741602

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 81, 98, 126, 127, 147, 162, 189, 243, 254, 294, 378, 381, 441, 486, 567, 729, 762, 882, 889, 1134, 1143, 1323, 1458, 1701, 1778, 2187, 2286, 2646, 2667, 3402, 3429, 3969, 4374, 5103, 5334, 6223, 6561, 6858, 7938, 8001, 10206, 10287, 11907, 12446, 13122, 15309, 16002, 18669, 20574, 23814, 24003, 30618, 30861, 35721, 37338, 45927, 48006, 56007, 61722, 71442, 72009, 91854, 92583, 107163, 112014, 144018, 168021, 185166, 214326, 216027, 277749, 321489, 336042, 432054, 504063, 555498, 642978, 648081, 833247, 1008126, 1296162, 1512189, 1666494, 1944243, 3024378, 3888486, 4536567, 5832729, 9073134, 11665458, 13609701, 27219402, 40829103, 81658206]

約数ペア:

[(1, 81658206), (2, 40829103), (3, 27219402), (6, 13609701), (7, 11665458), (9, 9073134), (14, 5832729), (18, 4536567), (21, 3888486), (27, 3024378), (42, 1944243), (49, 1666494), (54, 1512189), (63, 1296162), (81, 1008126), (98, 833247), (126, 648081), (127, 642978), (147, 555498), (162, 504063), (189, 432054), (243, 336042), (254, 321489), (294, 277749), (378, 216027), (381, 214326), (441, 185166), (486, 168021), (567, 144018), (729, 112014), (762, 107163), (882, 92583), (889, 91854), (1134, 72009), (1143, 71442), (1323, 61722), (1458, 56007), (1701, 48006), (1778, 45927), (2187, 37338), (2286, 35721), (2646, 30861), (2667, 30618), (3402, 24003), (3429, 23814), (3969, 20574), (4374, 18669), (5103, 16002), (5334, 15309), (6223, 13122), (6561, 12446), (6858, 11907), (7938, 10287), (8001, 10206)]