209061999

素因数分解:

$3^3\times {\mathrm{73}}^2\times {\mathrm{1453}}^1$

素因数の和:1608

約数の個数: 24

約数和(自身を含む): 314238480

約数和(自身を除く): 105176481

約数列:

[1, 3, 9, 27, 73, 219, 657, 1453, 1971, 4359, 5329, 13077, 15987, 39231, 47961, 106069, 143883, 318207, 954621, 2863863, 7743037, 23229111, 69687333, 209061999]

約数ペア:

[(1, 209061999), (3, 69687333), (9, 23229111), (27, 7743037), (73, 2863863), (219, 954621), (657, 318207), (1453, 143883), (1971, 106069), (4359, 47961), (5329, 39231), (13077, 15987)]