520122057

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{2963}}^1$

素因数の和:3629

約数の個数: 32

約数和(自身を含む): 855149568

約数和(自身を除く): 335027511

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 643, 1929, 2963, 4501, 8359, 8889, 13503, 20741, 25077, 38519, 58513, 62223, 115557, 175539, 269633, 808899, 1905209, 5715627, 13336463, 24767717, 40009389, 74303151, 173374019, 520122057]

約数ペア:

[(1, 520122057), (3, 173374019), (7, 74303151), (13, 40009389), (21, 24767717), (39, 13336463), (91, 5715627), (273, 1905209), (643, 808899), (1929, 269633), (2963, 175539), (4501, 115557), (8359, 62223), (8889, 58513), (13503, 38519), (20741, 25077)]