128893611

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{557981}}^1$

素因数の和:558002

約数の個数: 16

約数和(自身を含む): 214265088

約数和(自身を除く): 85371477

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 557981, 1673943, 3905867, 6137791, 11717601, 18413373, 42964537, 128893611]

約数ペア:

[(1, 128893611), (3, 42964537), (7, 18413373), (11, 11717601), (21, 6137791), (33, 3905867), (77, 1673943), (231, 557981)]