1336706721

素因数分解:

$3^2\times 7^2\times {\mathrm{1741}}^2$

素因数の和:3502

約数の個数: 27

約数和(自身を含む): 2247321843

約数和(自身を除く): 910615122

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 1741, 5223, 12187, 15669, 36561, 85309, 109683, 255927, 767781, 3031081, 9093243, 21217567, 27279729, 63652701, 148522969, 190958103, 445568907, 1336706721]

約数ペア:

[(1, 1336706721), (3, 445568907), (7, 190958103), (9, 148522969), (21, 63652701), (49, 27279729), (63, 21217567), (147, 9093243), (441, 3031081), (1741, 767781), (5223, 255927), (12187, 109683), (15669, 85309)]