28569921

素因数分解:

$3^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{523}}^1$

素因数の和:796

約数の個数: 16

約数和(自身を含む): 38734080

約数和(自身を除く): 10164159

約数列:

[1, 3, 131, 139, 393, 417, 523, 1569, 18209, 54627, 68513, 72697, 205539, 218091, 9523307, 28569921]

約数ペア:

[(1, 28569921), (3, 9523307), (131, 218091), (139, 205539), (393, 72697), (417, 68513), (523, 54627), (1569, 18209)]