284898789

素因数分解:

$3^5\times 7^2\times {\mathrm{71}}^1\times {\mathrm{337}}^1$

素因数の和:437

約数の個数: 72

約数和(自身を含む): 504923328

約数和(自身を除く): 220024539

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 71, 81, 147, 189, 213, 243, 337, 441, 497, 567, 639, 1011, 1323, 1491, 1701, 1917, 2359, 3033, 3479, 3969, 4473, 5751, 7077, 9099, 10437, 11907, 13419, 16513, 17253, 21231, 23927, 27297, 31311, 40257, 49539, 63693, 71781, 81891, 93933, 120771, 148617, 167489, 191079, 215343, 281799, 445851, 502467, 573237, 646029, 845397, 1172423, 1337553, 1507401, 1938087, 3517269, 4012659, 4522203, 5814261, 10551807, 13566609, 31655421, 40699827, 94966263, 284898789]

約数ペア:

[(1, 284898789), (3, 94966263), (7, 40699827), (9, 31655421), (21, 13566609), (27, 10551807), (49, 5814261), (63, 4522203), (71, 4012659), (81, 3517269), (147, 1938087), (189, 1507401), (213, 1337553), (243, 1172423), (337, 845397), (441, 646029), (497, 573237), (567, 502467), (639, 445851), (1011, 281799), (1323, 215343), (1491, 191079), (1701, 167489), (1917, 148617), (2359, 120771), (3033, 93933), (3479, 81891), (3969, 71781), (4473, 63693), (5751, 49539), (7077, 40257), (9099, 31311), (10437, 27297), (11907, 23927), (13419, 21231), (16513, 17253)]