12820149

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1$

素因数の和:417

約数の個数: 24

約数和(自身を含む): 19159712

約数和(自身を除く): 6339563

約数列:

[1, 3, 9, 43, 129, 157, 211, 387, 471, 633, 1413, 1899, 6751, 9073, 20253, 27219, 33127, 60759, 81657, 99381, 298143, 1424461, 4273383, 12820149]

約数ペア:

[(1, 12820149), (3, 4273383), (9, 1424461), (43, 298143), (129, 99381), (157, 81657), (211, 60759), (387, 33127), (471, 27219), (633, 20253), (1413, 9073), (1899, 6751)]