208034001

素因数分解:

$3^7\times 7^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:262

約数の個数: 64

約数和(自身を含む): 362741760

約数和(自身を除く): 154707759

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 107, 127, 189, 243, 321, 381, 567, 729, 749, 889, 963, 1143, 1701, 2187, 2247, 2667, 2889, 3429, 5103, 6741, 8001, 8667, 10287, 13589, 15309, 20223, 24003, 26001, 30861, 40767, 60669, 72009, 78003, 92583, 95123, 122301, 182007, 216027, 234009, 277749, 285369, 366903, 546021, 648081, 856107, 1100709, 1638063, 1944243, 2568321, 3302127, 7704963, 9906381, 23114889, 29719143, 69344667, 208034001]

約数ペア:

[(1, 208034001), (3, 69344667), (7, 29719143), (9, 23114889), (21, 9906381), (27, 7704963), (63, 3302127), (81, 2568321), (107, 1944243), (127, 1638063), (189, 1100709), (243, 856107), (321, 648081), (381, 546021), (567, 366903), (729, 285369), (749, 277749), (889, 234009), (963, 216027), (1143, 182007), (1701, 122301), (2187, 95123), (2247, 92583), (2667, 78003), (2889, 72009), (3429, 60669), (5103, 40767), (6741, 30861), (8001, 26001), (8667, 24003), (10287, 20223), (13589, 15309)]