6978321

素因数分解:

$3^2\times 7^1\times {\mathrm{257}}^1\times {\mathrm{431}}^1$

素因数の和:701

約数の個数: 24

約数和(自身を含む): 11591424

約数和(自身を除く): 4613103

約数列:

[1, 3, 7, 9, 21, 63, 257, 431, 771, 1293, 1799, 2313, 3017, 3879, 5397, 9051, 16191, 27153, 110767, 332301, 775369, 996903, 2326107, 6978321]

約数ペア:

[(1, 6978321), (3, 2326107), (7, 996903), (9, 775369), (21, 332301), (63, 110767), (257, 27153), (431, 16191), (771, 9051), (1293, 5397), (1799, 3879), (2313, 3017)]