1267137

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{661}}^1$

素因数の和:741

約数の個数: 16

約数和(自身を含む): 1906560

約数和(自身を除く): 639423

約数列:

[1, 3, 9, 27, 71, 213, 639, 661, 1917, 1983, 5949, 17847, 46931, 140793, 422379, 1267137]

約数ペア:

[(1, 1267137), (3, 422379), (9, 140793), (27, 46931), (71, 17847), (213, 5949), (639, 1983), (661, 1917)]