127819521

素因数分解:

$3^2\times {\mathrm{43}}^2\times {\mathrm{7681}}^1$

素因数の和:7773

約数の個数: 18

約数和(自身を含む): 189046338

約数和(自身を除く): 61226817

約数列:

[1, 3, 9, 43, 129, 387, 1849, 5547, 7681, 16641, 23043, 69129, 330283, 990849, 2972547, 14202169, 42606507, 127819521]

約数ペア:

[(1, 127819521), (3, 42606507), (9, 14202169), (43, 2972547), (129, 990849), (387, 330283), (1849, 69129), (5547, 23043), (7681, 16641)]