142782021

素因数分解:

$3^4\times {\mathrm{691}}^1\times {\mathrm{2551}}^1$

素因数の和:3254

約数の個数: 20

約数和(自身を含む): 213684064

約数和(自身を除く): 70902043

約数列:

[1, 3, 9, 27, 81, 691, 2073, 2551, 6219, 7653, 18657, 22959, 55971, 68877, 206631, 1762741, 5288223, 15864669, 47594007, 142782021]

約数ペア:

[(1, 142782021), (3, 47594007), (9, 15864669), (27, 5288223), (81, 1762741), (691, 206631), (2073, 68877), (2551, 55971), (6219, 22959), (7653, 18657)]