28706601

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{433}}^1$

素因数の和:502

約数の個数: 48

約数和(自身を含む): 49871808

約数和(自身を除く): 21165207

約数列:

[1, 3, 7, 11, 21, 33, 41, 49, 77, 123, 147, 231, 287, 433, 451, 539, 861, 1299, 1353, 1617, 2009, 3031, 3157, 4763, 6027, 9093, 9471, 14289, 17753, 21217, 22099, 33341, 53259, 63651, 66297, 100023, 124271, 195283, 233387, 372813, 585849, 700161, 869897, 1366981, 2609691, 4100943, 9568867, 28706601]

約数ペア:

[(1, 28706601), (3, 9568867), (7, 4100943), (11, 2609691), (21, 1366981), (33, 869897), (41, 700161), (49, 585849), (77, 372813), (123, 233387), (147, 195283), (231, 124271), (287, 100023), (433, 66297), (451, 63651), (539, 53259), (861, 33341), (1299, 22099), (1353, 21217), (1617, 17753), (2009, 14289), (3031, 9471), (3157, 9093), (4763, 6027)]