128406201

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{555871}}^1$

素因数の和:555892

約数の個数: 16

約数和(自身を含む): 213454848

約数和(自身を除く): 85048647

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 555871, 1667613, 3891097, 6114581, 11673291, 18343743, 42802067, 128406201]

約数ペア:

[(1, 128406201), (3, 42802067), (7, 18343743), (11, 11673291), (21, 6114581), (33, 3891097), (77, 1667613), (231, 555871)]