2881731

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:386

約数の個数: 16

約数和(自身を含む): 3991680

約数和(自身を除く): 1109949

約数列:

[1, 3, 43, 89, 129, 251, 267, 753, 3827, 10793, 11481, 22339, 32379, 67017, 960577, 2881731]

約数ペア:

[(1, 2881731), (3, 960577), (43, 67017), (89, 32379), (129, 22339), (251, 11481), (267, 10793), (753, 3827)]