87909903

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{514093}}^1$

素因数の和:514118

約数の個数: 12

約数和(自身を含む): 133664440

約数和(自身を除く): 45754537

約数列:

[1, 3, 9, 19, 57, 171, 514093, 1542279, 4626837, 9767767, 29303301, 87909903]

約数ペア:

[(1, 87909903), (3, 29303301), (9, 9767767), (19, 4626837), (57, 1542279), (171, 514093)]