7568397

素因数分解:

$3^4\times {\mathrm{223}}^1\times {\mathrm{419}}^1$

素因数の和:654

約数の個数: 20

約数和(自身を含む): 11383680

約数和(自身を除く): 3815283

約数列:

[1, 3, 9, 27, 81, 223, 419, 669, 1257, 2007, 3771, 6021, 11313, 18063, 33939, 93437, 280311, 840933, 2522799, 7568397]

約数ペア:

[(1, 7568397), (3, 2522799), (9, 840933), (27, 280311), (81, 93437), (223, 33939), (419, 18063), (669, 11313), (1257, 6021), (2007, 3771)]