128128203

素因数分解:

$3^3\times 7^1\times {\mathrm{677927}}^1$

素因数の和:677943

約数の個数: 16

約数和(自身を含む): 216936960

約数和(自身を除く): 88808757

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 677927, 2033781, 4745489, 6101343, 14236467, 18304029, 42709401, 128128203]

約数ペア:

[(1, 128128203), (3, 42709401), (7, 18304029), (9, 14236467), (21, 6101343), (27, 4745489), (63, 2033781), (189, 677927)]