12757419

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{5431}}^1$

素因数の和:5472

約数の個数: 20

約数和(自身を含む): 19718160

約数和(自身を除く): 6960741

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 5431, 16293, 48879, 146637, 157499, 439911, 472497, 1417491, 4252473, 12757419]

約数ペア:

[(1, 12757419), (3, 4252473), (9, 1417491), (27, 472497), (29, 439911), (81, 157499), (87, 146637), (261, 48879), (783, 16293), (2349, 5431)]