156912309

素因数分解:

$3^4\times {\mathrm{1301}}^1\times {\mathrm{1489}}^1$

素因数の和:2802

約数の個数: 20

約数和(自身を含む): 234737580

約数和(自身を除く): 77825271

約数列:

[1, 3, 9, 27, 81, 1301, 1489, 3903, 4467, 11709, 13401, 35127, 40203, 105381, 120609, 1937189, 5811567, 17434701, 52304103, 156912309]

約数ペア:

[(1, 156912309), (3, 52304103), (9, 17434701), (27, 5811567), (81, 1937189), (1301, 120609), (1489, 105381), (3903, 40203), (4467, 35127), (11709, 13401)]