168143913

素因数分解:

$3^2\times 7^1\times {\mathrm{313}}^1\times {\mathrm{8527}}^1$

素因数の和:8853

約数の個数: 24

約数和(自身を含む): 278490368

約数和(自身を除く): 110346455

約数列:

[1, 3, 7, 9, 21, 63, 313, 939, 2191, 2817, 6573, 8527, 19719, 25581, 59689, 76743, 179067, 537201, 2668951, 8006853, 18682657, 24020559, 56047971, 168143913]

約数ペア:

[(1, 168143913), (3, 56047971), (7, 24020559), (9, 18682657), (21, 8006853), (63, 2668951), (313, 537201), (939, 179067), (2191, 76743), (2817, 59689), (6573, 25581), (8527, 19719)]