16646391

素因数分解:

$3^4\times {\mathrm{151}}^1\times {\mathrm{1361}}^1$

素因数の和:1524

約数の個数: 20

約数和(自身を含む): 25049904

約数和(自身を除く): 8403513

約数列:

[1, 3, 9, 27, 81, 151, 453, 1359, 1361, 4077, 4083, 12231, 12249, 36747, 110241, 205511, 616533, 1849599, 5548797, 16646391]

約数ペア:

[(1, 16646391), (3, 5548797), (9, 1849599), (27, 616533), (81, 205511), (151, 110241), (453, 36747), (1359, 12249), (1361, 12231), (4077, 4083)]