671709987

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{20431}}^1$

素因数の和:20731

約数の個数: 24

約数和(自身を含む): 1048651968

約数和(自身を除く): 376941981

約数列:

[1, 3, 9, 13, 39, 117, 281, 843, 2529, 3653, 10959, 20431, 32877, 61293, 183879, 265603, 796809, 2390427, 5741111, 17223333, 51669999, 74634443, 223903329, 671709987]

約数ペア:

[(1, 671709987), (3, 223903329), (9, 74634443), (13, 51669999), (39, 17223333), (117, 5741111), (281, 2390427), (843, 796809), (2529, 265603), (3653, 183879), (10959, 61293), (20431, 32877)]