199921161

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{7757}}^1$

素因数の和:7853

約数の個数: 24

約数和(自身を含む): 297162432

約数和(自身を除く): 97241271

約数列:

[1, 3, 11, 33, 71, 121, 213, 363, 781, 2343, 7757, 8591, 23271, 25773, 85327, 255981, 550747, 938597, 1652241, 2815791, 6058217, 18174651, 66640387, 199921161]

約数ペア:

[(1, 199921161), (3, 66640387), (11, 18174651), (33, 6058217), (71, 2815791), (121, 1652241), (213, 938597), (363, 550747), (781, 255981), (2343, 85327), (7757, 25773), (8591, 23271)]