2021558871

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{112741}}^1$

素因数の和:112926

約数の個数: 16

約数和(自身を含む): 2777962880

約数和(自身を除く): 756404009

約数列:

[1, 3, 43, 129, 139, 417, 5977, 17931, 112741, 338223, 4847863, 14543589, 15670999, 47012997, 673852957, 2021558871]

約数ペア:

[(1, 2021558871), (3, 673852957), (43, 47012997), (129, 15670999), (139, 14543589), (417, 4847863), (5977, 338223), (17931, 112741)]