12719787

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{653}}^1$

素因数の和:850

約数の個数: 16

約数和(自身を含む): 17495808

約数和(自身を除く): 4776021

約数列:

[1, 3, 43, 129, 151, 453, 653, 1959, 6493, 19479, 28079, 84237, 98603, 295809, 4239929, 12719787]

約数ペア:

[(1, 12719787), (3, 4239929), (43, 295809), (129, 98603), (151, 84237), (453, 28079), (653, 19479), (1959, 6493)]