12205851

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1931}}^1$

素因数の和:1991

約数の個数: 24

約数和(自身を含む): 19381824

約数和(自身を除く): 7175973

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 301, 903, 1931, 2107, 5793, 6321, 13517, 40551, 83033, 94619, 249099, 283857, 581231, 1743693, 4068617, 12205851]

約数ペア:

[(1, 12205851), (3, 4068617), (7, 1743693), (21, 581231), (43, 283857), (49, 249099), (129, 94619), (147, 83033), (301, 40551), (903, 13517), (1931, 6321), (2107, 5793)]