261841281

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{2087}}^1\times {\mathrm{3217}}^1$

素因数の和:5320

約数の個数: 16

約数和(自身を含む): 376274304

約数和(自身を除く): 114433023

約数列:

[1, 3, 13, 39, 2087, 3217, 6261, 9651, 27131, 41821, 81393, 125463, 6713879, 20141637, 87280427, 261841281]

約数ペア:

[(1, 261841281), (3, 87280427), (13, 20141637), (39, 6713879), (2087, 125463), (3217, 81393), (6261, 41821), (9651, 27131)]