199983651

素因数分解:

$3^1\times 7^2\times {\mathrm{743}}^1\times {\mathrm{1831}}^1$

素因数の和:2591

約数の個数: 24

約数和(自身を含む): 310765824

約数和(自身を除く): 110782173

約数列:

[1, 3, 7, 21, 49, 147, 743, 1831, 2229, 5201, 5493, 12817, 15603, 36407, 38451, 89719, 109221, 269157, 1360433, 4081299, 9523031, 28569093, 66661217, 199983651]

約数ペア:

[(1, 199983651), (3, 66661217), (7, 28569093), (21, 9523031), (49, 4081299), (147, 1360433), (743, 269157), (1831, 109221), (2229, 89719), (5201, 38451), (5493, 36407), (12817, 15603)]