31278759

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{839}}^1$

素因数の和:919

約数の個数: 24

約数和(自身を含む): 45386880

約数和(自身を除く): 14108121

約数列:

[1, 3, 17, 43, 51, 129, 289, 731, 839, 867, 2193, 2517, 12427, 14263, 36077, 37281, 42789, 108231, 242471, 613309, 727413, 1839927, 10426253, 31278759]

約数ペア:

[(1, 31278759), (3, 10426253), (17, 1839927), (43, 727413), (51, 613309), (129, 242471), (289, 108231), (731, 42789), (839, 37281), (867, 36077), (2193, 14263), (2517, 12427)]