12981729

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{4003}}^1$

素因数の和:4076

約数の個数: 16

約数和(自身を含む): 18450432

約数和(自身を除く): 5468703

約数列:

[1, 3, 23, 47, 69, 141, 1081, 3243, 4003, 12009, 92069, 188141, 276207, 564423, 4327243, 12981729]

約数ペア:

[(1, 12981729), (3, 4327243), (23, 564423), (47, 276207), (69, 188141), (141, 92069), (1081, 12009), (3243, 4003)]