168263823

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{8681}}^1$

素因数の和:8775

約数の個数: 32

約数和(自身を含む): 280046592

約数和(自身を除く): 111782769

約数列:

[1, 3, 7, 13, 21, 39, 71, 91, 213, 273, 497, 923, 1491, 2769, 6461, 8681, 19383, 26043, 60767, 112853, 182301, 338559, 616351, 789971, 1849053, 2369913, 4314457, 8012563, 12943371, 24037689, 56087941, 168263823]

約数ペア:

[(1, 168263823), (3, 56087941), (7, 24037689), (13, 12943371), (21, 8012563), (39, 4314457), (71, 2369913), (91, 1849053), (213, 789971), (273, 616351), (497, 338559), (923, 182301), (1491, 112853), (2769, 60767), (6461, 26043), (8681, 19383)]