201723879

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{1759}}^1$

素因数の和:1939

約数の個数: 32

約数和(自身を含む): 317194240

約数和(自身を除く): 115470361

約数列:

[1, 3, 7, 21, 43, 127, 129, 301, 381, 889, 903, 1759, 2667, 5277, 5461, 12313, 16383, 36939, 38227, 75637, 114681, 223393, 226911, 529459, 670179, 1563751, 1588377, 4691253, 9605899, 28817697, 67241293, 201723879]

約数ペア:

[(1, 201723879), (3, 67241293), (7, 28817697), (21, 9605899), (43, 4691253), (127, 1588377), (129, 1563751), (301, 670179), (381, 529459), (889, 226911), (903, 223393), (1759, 114681), (2667, 75637), (5277, 38227), (5461, 36939), (12313, 16383)]