9971001

素因数分解:

$3^2\times {\mathrm{643}}^1\times {\mathrm{1723}}^1$

素因数の和:2372

約数の個数: 12

約数和(自身を含む): 14433328

約数和(自身を除く): 4462327

約数列:

[1, 3, 9, 643, 1723, 1929, 5169, 5787, 15507, 1107889, 3323667, 9971001]

約数ペア:

[(1, 9971001), (3, 3323667), (9, 1107889), (643, 15507), (1723, 5787), (1929, 5169)]