128565129

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{556559}}^1$

素因数の和:556580

約数の個数: 16

約数和(自身を含む): 213719040

約数和(自身を除く): 85153911

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 556559, 1669677, 3895913, 6122149, 11687739, 18366447, 42855043, 128565129]

約数ペア:

[(1, 128565129), (3, 42855043), (7, 18366447), (11, 11687739), (21, 6122149), (33, 3895913), (77, 1669677), (231, 556559)]