313620531

素因数分解:

$3^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:408

約数の個数: 48

約数和(自身を含む): 497995776

約数和(自身を除く): 184375245

約数列:

[1, 3, 7, 21, 49, 107, 127, 147, 157, 321, 381, 471, 749, 889, 1099, 2247, 2667, 3297, 5243, 6223, 7693, 13589, 15729, 16799, 18669, 19939, 23079, 40767, 50397, 59817, 95123, 117593, 139573, 285369, 352779, 418719, 665861, 823151, 977011, 1997583, 2133473, 2469453, 2931033, 6400419, 14934311, 44802933, 104540177, 313620531]

約数ペア:

[(1, 313620531), (3, 104540177), (7, 44802933), (21, 14934311), (49, 6400419), (107, 2931033), (127, 2469453), (147, 2133473), (157, 1997583), (321, 977011), (381, 823151), (471, 665861), (749, 418719), (889, 352779), (1099, 285369), (2247, 139573), (2667, 117593), (3297, 95123), (5243, 59817), (6223, 50397), (7693, 40767), (13589, 23079), (15729, 19939), (16799, 18669)]