13991943

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{21493}}^1$

素因数の和:21534

約数の個数: 16

約数和(自身を含む): 22009856

約数和(自身を除く): 8017913

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 21493, 64479, 150451, 451353, 666283, 1998849, 4663981, 13991943]

約数ペア:

[(1, 13991943), (3, 4663981), (7, 1998849), (21, 666283), (31, 451353), (93, 150451), (217, 64479), (651, 21493)]