1688894217

素因数分解:

$3^2\times {\mathrm{239}}^1\times {\mathrm{785167}}^1$

素因数の和:785412

約数の個数: 12

約数和(自身を含む): 2449724160

約数和(自身を除く): 760829943

約数列:

[1, 3, 9, 239, 717, 2151, 785167, 2355501, 7066503, 187654913, 562964739, 1688894217]

約数ペア:

[(1, 1688894217), (3, 562964739), (9, 187654913), (239, 7066503), (717, 2355501), (2151, 785167)]