2811129

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{311}}^1$

素因数の和:468

約数の個数: 16

約数和(自身を含む): 3953664

約数和(自身を除く): 1142535

約数列:

[1, 3, 23, 69, 131, 311, 393, 933, 3013, 7153, 9039, 21459, 40741, 122223, 937043, 2811129]

約数ペア:

[(1, 2811129), (3, 937043), (23, 122223), (69, 40741), (131, 21459), (311, 9039), (393, 7153), (933, 3013)]