26720031

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{18517}}^1$

素因数の和:18570

約数の個数: 16

約数和(自身を含む): 39406304

約数和(自身を除く): 12686273

約数列:

[1, 3, 13, 37, 39, 111, 481, 1443, 18517, 55551, 240721, 685129, 722163, 2055387, 8906677, 26720031]

約数ペア:

[(1, 26720031), (3, 8906677), (13, 2055387), (37, 722163), (39, 685129), (111, 240721), (481, 55551), (1443, 18517)]