66991771

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{11299}}^1$

素因数の和:11335

約数の個数: 18

約数和(自身を含む): 85665300

約数和(自身を除く): 18673529

約数列:

[1, 7, 11, 49, 77, 121, 539, 847, 5929, 11299, 79093, 124289, 553651, 870023, 1367179, 6090161, 9570253, 66991771]

約数ペア:

[(1, 66991771), (7, 9570253), (11, 6090161), (49, 1367179), (77, 870023), (121, 553651), (539, 124289), (847, 79093), (5929, 11299)]