778831347

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^2\times {\mathrm{9967}}^1$

素因数の和:10099

約数の個数: 24

約数和(自身を含む): 1206686208

約数和(自身を除く): 427854861

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 3721, 9967, 11163, 26047, 29901, 69769, 78141, 209307, 607987, 1823961, 4255909, 12767727, 37087207, 111261621, 259610449, 778831347]

約数ペア:

[(1, 778831347), (3, 259610449), (7, 111261621), (21, 37087207), (61, 12767727), (183, 4255909), (427, 1823961), (1281, 607987), (3721, 209307), (9967, 78141), (11163, 69769), (26047, 29901)]