13507821

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{21139}}^1$

素因数の和:21216

約数の個数: 12

約数和(自身を含む): 19787040

約数和(自身を除く): 6279219

約数列:

[1, 3, 9, 71, 213, 639, 21139, 63417, 190251, 1500869, 4502607, 13507821]

約数ペア:

[(1, 13507821), (3, 4502607), (9, 1500869), (71, 190251), (213, 63417), (639, 21139)]