208519587

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{347}}^1\times {\mathrm{2903}}^1$

素因数の和:3279

約数の個数: 24

約数和(自身を含む): 315304704

約数和(自身を除く): 106785117

約数列:

[1, 3, 9, 23, 69, 207, 347, 1041, 2903, 3123, 7981, 8709, 23943, 26127, 66769, 71829, 200307, 600921, 1007341, 3022023, 9066069, 23168843, 69506529, 208519587]

約数ペア:

[(1, 208519587), (3, 69506529), (9, 23168843), (23, 9066069), (69, 3022023), (207, 1007341), (347, 600921), (1041, 200307), (2903, 71829), (3123, 66769), (7981, 26127), (8709, 23943)]