180831959

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 240242688

約数和(自身を除く): 59410729

約数列:

[1, 7, 11, 31, 71, 77, 97, 121, 217, 341, 497, 679, 781, 847, 1067, 2201, 2387, 3007, 3751, 5467, 6887, 7469, 8591, 11737, 15407, 21049, 24211, 26257, 33077, 48209, 60137, 75757, 82159, 169477, 213497, 231539, 266321, 363847, 530299, 833327, 1494479, 1864247, 2348467, 2546929, 5833289, 16439269, 25833137, 180831959]

約数ペア:

[(1, 180831959), (7, 25833137), (11, 16439269), (31, 5833289), (71, 2546929), (77, 2348467), (97, 1864247), (121, 1494479), (217, 833327), (341, 530299), (497, 363847), (679, 266321), (781, 231539), (847, 213497), (1067, 169477), (2201, 82159), (2387, 75757), (3007, 60137), (3751, 48209), (5467, 33077), (6887, 26257), (7469, 24211), (8591, 21049), (11737, 15407)]