66774141

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{157}}^2$

素因数の和:370

約数の個数: 36

約数和(自身を含む): 113516832

約数和(自身を除く): 46742691

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 157, 301, 387, 471, 903, 1099, 1413, 2709, 3297, 6751, 9891, 20253, 24649, 47257, 60759, 73947, 141771, 172543, 221841, 425313, 517629, 1059907, 1552887, 3179721, 7419349, 9539163, 22258047, 66774141]

約数ペア:

[(1, 66774141), (3, 22258047), (7, 9539163), (9, 7419349), (21, 3179721), (43, 1552887), (63, 1059907), (129, 517629), (157, 425313), (301, 221841), (387, 172543), (471, 141771), (903, 73947), (1099, 60759), (1413, 47257), (2709, 24649), (3297, 20253), (6751, 9891)]