128257239

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{204557}}^1$

素因数の和:204590

約数の個数: 16

約数和(自身を含む): 196375680

約数和(自身を除く): 68118441

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 204557, 613671, 2250127, 3886583, 6750381, 11659749, 42752413, 128257239]

約数ペア:

[(1, 128257239), (3, 42752413), (11, 11659749), (19, 6750381), (33, 3886583), (57, 2250127), (209, 613671), (627, 204557)]