12921377

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{4721}}^1$

素因数の和:4768

約数の個数: 16

約数和(自身を含む): 16319232

約数和(自身を除く): 3397855

約数列:

[1, 7, 17, 23, 119, 161, 391, 2737, 4721, 33047, 80257, 108583, 561799, 760081, 1845911, 12921377]

約数ペア:

[(1, 12921377), (7, 1845911), (17, 760081), (23, 561799), (119, 108583), (161, 80257), (391, 33047), (2737, 4721)]