12786831

素因数分解:

$3^2\times {\mathrm{97}}^2\times {\mathrm{151}}^1$

素因数の和:351

約数の個数: 18

約数和(自身を含む): 18785832

約数和(自身を除く): 5999001

約数列:

[1, 3, 9, 97, 151, 291, 453, 873, 1359, 9409, 14647, 28227, 43941, 84681, 131823, 1420759, 4262277, 12786831]

約数ペア:

[(1, 12786831), (3, 4262277), (9, 1420759), (97, 131823), (151, 84681), (291, 43941), (453, 28227), (873, 14647), (1359, 9409)]