1278836787

素因数分解:

$3^1\times {\mathrm{127}}^1\times {\mathrm{1559}}^1\times {\mathrm{2153}}^1$

素因数の和:3842

約数の個数: 16

約数和(自身を含む): 1720442880

約数和(自身を除く): 441606093

約数列:

[1, 3, 127, 381, 1559, 2153, 4677, 6459, 197993, 273431, 593979, 820293, 3356527, 10069581, 426278929, 1278836787]

約数ペア:

[(1, 1278836787), (3, 426278929), (127, 10069581), (381, 3356527), (1559, 820293), (2153, 593979), (4677, 273431), (6459, 197993)]