31221619

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7043}}^1$

素因数の和:7098

約数の個数: 16

約数和(自身を含む): 37868544

約数和(自身を除く): 6646925

約数列:

[1, 11, 13, 31, 143, 341, 403, 4433, 7043, 77473, 91559, 218333, 1007149, 2401663, 2838329, 31221619]

約数ペア:

[(1, 31221619), (11, 2838329), (13, 2401663), (31, 1007149), (143, 218333), (341, 91559), (403, 77473), (4433, 7043)]