27981003

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{6997}}^1$

素因数の和:7074

約数の個数: 16

約数和(自身を含む): 39412736

約数和(自身を除く): 11431733

約数列:

[1, 3, 31, 43, 93, 129, 1333, 3999, 6997, 20991, 216907, 300871, 650721, 902613, 9327001, 27981003]

約数ペア:

[(1, 27981003), (3, 9327001), (31, 902613), (43, 650721), (93, 300871), (129, 216907), (1333, 20991), (3999, 6997)]