51518721

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{21493}}^1$

素因数の和:21560

約数の個数: 16

約数和(自身を含む): 74283264

約数和(自身を除く): 22764543

約数列:

[1, 3, 17, 47, 51, 141, 799, 2397, 21493, 64479, 365381, 1010171, 1096143, 3030513, 17172907, 51518721]

約数ペア:

[(1, 51518721), (3, 17172907), (17, 3030513), (47, 1096143), (51, 1010171), (141, 365381), (799, 64479), (2397, 21493)]