12842985

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{18217}}^1$

素因数の和:18272

約数の個数: 16

約数和(自身を含む): 20987136

約数和(自身を除く): 8144151

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 18217, 54651, 91085, 273255, 856199, 2568597, 4280995, 12842985]

約数ペア:

[(1, 12842985), (3, 4280995), (5, 2568597), (15, 856199), (47, 273255), (141, 91085), (235, 54651), (705, 18217)]