12639381

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{5273}}^1$

素因数の和:5340

約数の個数: 16

約数和(自身を含む): 18226944

約数和(自身を除く): 5587563

約数列:

[1, 3, 17, 47, 51, 141, 799, 2397, 5273, 15819, 89641, 247831, 268923, 743493, 4213127, 12639381]

約数ペア:

[(1, 12639381), (3, 4213127), (17, 743493), (47, 268923), (51, 247831), (141, 89641), (799, 15819), (2397, 5273)]