12841605

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:255

約数の個数: 64

約数和(自身を含む): 26542080

約数和(自身を除く): 13700475

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 107, 127, 135, 189, 315, 321, 381, 535, 635, 749, 889, 945, 963, 1143, 1605, 1905, 2247, 2667, 2889, 3429, 3745, 4445, 4815, 5715, 6741, 8001, 11235, 13335, 13589, 14445, 17145, 20223, 24003, 33705, 40005, 40767, 67945, 95123, 101115, 120015, 122301, 203835, 285369, 366903, 475615, 611505, 856107, 1426845, 1834515, 2568321, 4280535, 12841605]

約数ペア:

[(1, 12841605), (3, 4280535), (5, 2568321), (7, 1834515), (9, 1426845), (15, 856107), (21, 611505), (27, 475615), (35, 366903), (45, 285369), (63, 203835), (105, 122301), (107, 120015), (127, 101115), (135, 95123), (189, 67945), (315, 40767), (321, 40005), (381, 33705), (535, 24003), (635, 20223), (749, 17145), (889, 14445), (945, 13589), (963, 13335), (1143, 11235), (1605, 8001), (1905, 6741), (2247, 5715), (2667, 4815), (2889, 4445), (3429, 3745)]