28640019

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{3719}}^1$

素因数の和:3890

約数の個数: 16

約数和(自身を含む): 40711680

約数和(自身を除く): 12071661

約数列:

[1, 3, 17, 51, 151, 453, 2567, 3719, 7701, 11157, 63223, 189669, 561569, 1684707, 9546673, 28640019]

約数ペア:

[(1, 28640019), (3, 9546673), (17, 1684707), (51, 561569), (151, 189669), (453, 63223), (2567, 11157), (3719, 7701)]