220780109

素因数分解:

${\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{829}}^1$

素因数の和:953

約数の個数: 24

約数和(自身を含む): 254338560

約数和(自身を除く): 33558451

約数列:

[1, 11, 31, 71, 121, 341, 781, 829, 2201, 3751, 8591, 9119, 24211, 25699, 58859, 100309, 266321, 282689, 647449, 1824629, 3109579, 7121939, 20070919, 220780109]

約数ペア:

[(1, 220780109), (11, 20070919), (31, 7121939), (71, 3109579), (121, 1824629), (341, 647449), (781, 282689), (829, 266321), (2201, 100309), (3751, 58859), (8591, 25699), (9119, 24211)]