51661719

素因数分解:

$3^4\times {\mathrm{269}}^1\times {\mathrm{2371}}^1$

素因数の和:2652

約数の個数: 20

約数和(自身を含む): 77493240

約数和(自身を除く): 25831521

約数列:

[1, 3, 9, 27, 81, 269, 807, 2371, 2421, 7113, 7263, 21339, 21789, 64017, 192051, 637799, 1913397, 5740191, 17220573, 51661719]

約数ペア:

[(1, 51661719), (3, 17220573), (9, 5740191), (27, 1913397), (81, 637799), (269, 192051), (807, 64017), (2371, 21789), (2421, 21339), (7113, 7263)]