12821095

素因数分解:

$5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1217}}^1$

素因数の和:1279

約数の個数: 24

約数和(自身を含む): 18328464

約数和(自身を除く): 5507369

約数列:

[1, 5, 7, 35, 43, 49, 215, 245, 301, 1217, 1505, 2107, 6085, 8519, 10535, 42595, 52331, 59633, 261655, 298165, 366317, 1831585, 2564219, 12821095]

約数ペア:

[(1, 12821095), (5, 2564219), (7, 1831585), (35, 366317), (43, 298165), (49, 261655), (215, 59633), (245, 52331), (301, 42595), (1217, 10535), (1505, 8519), (2107, 6085)]