31153167

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{5417}}^1$

素因数の和:5500

約数の個数: 20

約数和(自身を含む): 47201616

約数和(自身を除く): 16048449

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5417, 5751, 16251, 48753, 146259, 384607, 438777, 1153821, 3461463, 10384389, 31153167]

約数ペア:

[(1, 31153167), (3, 10384389), (9, 3461463), (27, 1153821), (71, 438777), (81, 384607), (213, 146259), (639, 48753), (1917, 16251), (5417, 5751)]