80905731

素因数分解:

$3^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1\times {\mathrm{1621}}^1$

素因数の和:1882

約数の個数: 16

約数和(自身を含む): 109621248

約数和(自身を除く): 28715517

約数列:

[1, 3, 127, 131, 381, 393, 1621, 4863, 16637, 49911, 205867, 212351, 617601, 637053, 26968577, 80905731]

約数ペア:

[(1, 80905731), (3, 26968577), (127, 637053), (131, 617601), (381, 212351), (393, 205867), (1621, 49911), (4863, 16637)]