42519981

素因数分解:

$3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:393

約数の個数: 32

約数和(自身を含む): 66355200

約数和(自身を除く): 23835219

約数列:

[1, 3, 7, 21, 107, 127, 149, 321, 381, 447, 749, 889, 1043, 2247, 2667, 3129, 13589, 15943, 18923, 40767, 47829, 56769, 95123, 111601, 132461, 285369, 334803, 397383, 2024761, 6074283, 14173327, 42519981]

約数ペア:

[(1, 42519981), (3, 14173327), (7, 6074283), (21, 2024761), (107, 397383), (127, 334803), (149, 285369), (321, 132461), (381, 111601), (447, 95123), (749, 56769), (889, 47829), (1043, 40767), (2247, 18923), (2667, 15943), (3129, 13589)]