12687311

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1303}}^1$

素因数の和:1430

約数の個数: 16

約数和(自身を含む): 15773184

約数和(自身を除く): 3085873

約数列:

[1, 7, 13, 91, 107, 749, 1303, 1391, 9121, 9737, 16939, 118573, 139421, 975947, 1812473, 12687311]

約数ペア:

[(1, 12687311), (7, 1812473), (13, 975947), (91, 139421), (107, 118573), (749, 16939), (1303, 9737), (1391, 9121)]