1667001

素因数分解:

$3^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{487}}^1$

素因数の和:660

約数の個数: 16

約数和(自身を含む): 2561024

約数和(自身を除く): 894023

約数列:

[1, 3, 7, 21, 163, 487, 489, 1141, 1461, 3409, 3423, 10227, 79381, 238143, 555667, 1667001]

約数ペア:

[(1, 1667001), (3, 555667), (7, 238143), (21, 79381), (163, 10227), (487, 3423), (489, 3409), (1141, 1461)]