42206787

素因数分解:

$3^2\times 7^2\times {\mathrm{95707}}^1$

素因数の和:95727

約数の個数: 18

約数和(自身を含む): 70919628

約数和(自身を除く): 28712841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 95707, 287121, 669949, 861363, 2009847, 4689643, 6029541, 14068929, 42206787]

約数ペア:

[(1, 42206787), (3, 14068929), (7, 6029541), (9, 4689643), (21, 2009847), (49, 861363), (63, 669949), (147, 287121), (441, 95707)]