13928283

素因数分解:

$3^2\times {\mathrm{71}}^2\times {\mathrm{307}}^1$

素因数の和:455

約数の個数: 18

約数和(自身を含む): 20472452

約数和(自身を除く): 6544169

約数列:

[1, 3, 9, 71, 213, 307, 639, 921, 2763, 5041, 15123, 21797, 45369, 65391, 196173, 1547587, 4642761, 13928283]

約数ペア:

[(1, 13928283), (3, 4642761), (9, 1547587), (71, 196173), (213, 65391), (307, 45369), (639, 21797), (921, 15123), (2763, 5041)]