207061981

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{1091}}^1\times {\mathrm{1427}}^1$

素因数の和:2544

約数の個数: 16

約数和(自身を含む): 249500160

約数和(自身を除く): 42438179

約数列:

[1, 7, 19, 133, 1091, 1427, 7637, 9989, 20729, 27113, 145103, 189791, 1556857, 10897999, 29580283, 207061981]

約数ペア:

[(1, 207061981), (7, 29580283), (19, 10897999), (133, 1556857), (1091, 189791), (1427, 145103), (7637, 27113), (9989, 20729)]