12690321

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{5867}}^1$

素因数の和:5980

約数の個数: 16

約数和(自身を含む): 19528704

約数和(自身を除く): 6838383

約数列:

[1, 3, 7, 21, 103, 309, 721, 2163, 5867, 17601, 41069, 123207, 604301, 1812903, 4230107, 12690321]

約数ペア:

[(1, 12690321), (3, 4230107), (7, 1812903), (21, 604301), (103, 123207), (309, 41069), (721, 17601), (2163, 5867)]