205978317

素因数分解:

$3^1\times {\mathrm{23}}^2\times {\mathrm{107}}^1\times {\mathrm{1213}}^1$

素因数の和:1369

約数の個数: 24

約数和(自身を含む): 290019744

約数和(自身を除く): 84041427

約数列:

[1, 3, 23, 69, 107, 321, 529, 1213, 1587, 2461, 3639, 7383, 27899, 56603, 83697, 129791, 169809, 389373, 641677, 1925031, 2985193, 8955579, 68659439, 205978317]

約数ペア:

[(1, 205978317), (3, 68659439), (23, 8955579), (69, 2985193), (107, 1925031), (321, 641677), (529, 389373), (1213, 169809), (1587, 129791), (2461, 83697), (3639, 56603), (7383, 27899)]