66857791

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{66791}}^1$

素因数の和:66822

約数の個数: 16

約数和(自身を含む): 89768448

約数和(自身を除く): 22910657

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 66791, 467537, 734701, 868283, 5142907, 6077981, 9551113, 66857791]

約数ペア:

[(1, 66857791), (7, 9551113), (11, 6077981), (13, 5142907), (77, 868283), (91, 734701), (143, 467537), (1001, 66791)]