2971293

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1621}}^1$

素因数の和:1684

約数の個数: 16

約数和(自身を含む): 4359936

約数和(自身を除く): 1388643

約数列:

[1, 3, 13, 39, 47, 141, 611, 1621, 1833, 4863, 21073, 63219, 76187, 228561, 990431, 2971293]

約数ペア:

[(1, 2971293), (3, 990431), (13, 228561), (39, 76187), (47, 63219), (141, 21073), (611, 4863), (1621, 1833)]