28195143

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{1721}}^1$

素因数の和:1894

約数の個数: 16

約数和(自身を含む): 38793216

約数和(自身を除く): 10598073

約数列:

[1, 3, 43, 127, 129, 381, 1721, 5163, 5461, 16383, 74003, 218567, 222009, 655701, 9398381, 28195143]

約数ペア:

[(1, 28195143), (3, 9398381), (43, 655701), (127, 222009), (129, 218567), (381, 74003), (1721, 16383), (5163, 5461)]