51904689

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{131}}^1\times {\mathrm{457}}^1$

素因数の和:625

約数の個数: 24

約数和(自身を含む): 74239968

約数和(自身を除く): 22335279

約数列:

[1, 3, 17, 51, 131, 289, 393, 457, 867, 1371, 2227, 6681, 7769, 23307, 37859, 59867, 113577, 132073, 179601, 396219, 1017739, 3053217, 17301563, 51904689]

約数ペア:

[(1, 51904689), (3, 17301563), (17, 3053217), (51, 1017739), (131, 396219), (289, 179601), (393, 132073), (457, 113577), (867, 59867), (1371, 37859), (2227, 23307), (6681, 7769)]