81555551

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{1823}}^1$

素因数の和:1931

約数の個数: 24

約数和(自身を含む): 104799744

約数和(自身を除く): 23244193

約数列:

[1, 7, 11, 49, 77, 83, 539, 581, 913, 1823, 4067, 6391, 12761, 20053, 44737, 89327, 140371, 151309, 982597, 1059163, 1664399, 7414141, 11650793, 81555551]

約数ペア:

[(1, 81555551), (7, 11650793), (11, 7414141), (49, 1664399), (77, 1059163), (83, 982597), (539, 151309), (581, 140371), (913, 89327), (1823, 44737), (4067, 20053), (6391, 12761)]