30991103

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6991}}^1$

素因数の和:7046

約数の個数: 16

約数和(自身を含む): 37588992

約数和(自身を除く): 6597889

約数列:

[1, 11, 13, 31, 143, 341, 403, 4433, 6991, 76901, 90883, 216721, 999713, 2383931, 2817373, 30991103]

約数ペア:

[(1, 30991103), (11, 2817373), (13, 2383931), (31, 999713), (143, 216721), (341, 90883), (403, 76901), (4433, 6991)]