206965287

素因数分解:

$3^6\times {\mathrm{193}}^1\times {\mathrm{1471}}^1$

素因数の和:1682

約数の個数: 28

約数和(自身を含む): 312125824

約数和(自身を除く): 105160537

約数列:

[1, 3, 9, 27, 81, 193, 243, 579, 729, 1471, 1737, 4413, 5211, 13239, 15633, 39717, 46899, 119151, 140697, 283903, 357453, 851709, 1072359, 2555127, 7665381, 22996143, 68988429, 206965287]

約数ペア:

[(1, 206965287), (3, 68988429), (9, 22996143), (27, 7665381), (81, 2555127), (193, 1072359), (243, 851709), (579, 357453), (729, 283903), (1471, 140697), (1737, 119151), (4413, 46899), (5211, 39717), (13239, 15633)]