15920971

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{1721}}^1$

素因数の和:1790

約数の個数: 12

約数和(自身を含む): 17998344

約数和(自身を除く): 2077373

約数列:

[1, 11, 29, 319, 841, 1721, 9251, 18931, 49909, 548999, 1447361, 15920971]

約数ペア:

[(1, 15920971), (11, 1447361), (29, 548999), (319, 49909), (841, 18931), (1721, 9251)]