28395717

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{15193}}^1$

素因数の和:15292

約数の個数: 16

約数和(自身を含む): 43758720

約数和(自身を除く): 15363003

約数列:

[1, 3, 7, 21, 89, 267, 623, 1869, 15193, 45579, 106351, 319053, 1352177, 4056531, 9465239, 28395717]

約数ペア:

[(1, 28395717), (3, 9465239), (7, 4056531), (21, 1352177), (89, 319053), (267, 106351), (623, 45579), (1869, 15193)]