647342007

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{247739}}^1$

素因数の和:247822

約数の個数: 16

約数和(自身を含む): 943393920

約数和(自身を除く): 296051913

約数列:

[1, 3, 13, 39, 67, 201, 871, 2613, 247739, 743217, 3220607, 9661821, 16598513, 49795539, 215780669, 647342007]

約数ペア:

[(1, 647342007), (3, 215780669), (13, 49795539), (39, 16598513), (67, 9661821), (201, 3220607), (871, 743217), (2613, 247739)]