212714985

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{1283}}^1\times {\mathrm{1579}}^1$

素因数の和:2877

約数の個数: 32

約数和(自身を含む): 389514240

約数和(自身を除く): 176799255

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 1283, 1579, 3849, 4737, 6415, 7895, 8981, 11053, 19245, 23685, 26943, 33159, 44905, 55265, 134715, 165795, 2025857, 6077571, 10129285, 14180999, 30387855, 42542997, 70904995, 212714985]

約数ペア:

[(1, 212714985), (3, 70904995), (5, 42542997), (7, 30387855), (15, 14180999), (21, 10129285), (35, 6077571), (105, 2025857), (1283, 165795), (1579, 134715), (3849, 55265), (4737, 44905), (6415, 33159), (7895, 26943), (8981, 23685), (11053, 19245)]