128849259

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{557789}}^1$

素因数の和:557810

約数の個数: 16

約数和(自身を含む): 214191360

約数和(自身を除く): 85342101

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 557789, 1673367, 3904523, 6135679, 11713569, 18407037, 42949753, 128849259]

約数ペア:

[(1, 128849259), (3, 42949753), (7, 18407037), (11, 11713569), (21, 6135679), (33, 3904523), (77, 1673367), (231, 557789)]