12120993

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{971}}^1$

素因数の和:1069

約数の個数: 24

約数和(自身を含む): 18701280

約数和(自身を除く): 6580287

約数列:

[1, 3, 9, 19, 57, 73, 171, 219, 657, 971, 1387, 2913, 4161, 8739, 12483, 18449, 55347, 70883, 166041, 212649, 637947, 1346777, 4040331, 12120993]

約数ペア:

[(1, 12120993), (3, 4040331), (9, 1346777), (19, 637947), (57, 212649), (73, 166041), (171, 70883), (219, 55347), (657, 18449), (971, 12483), (1387, 8739), (2913, 4161)]