42987147

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{49927}}^1$

素因数の和:49978

約数の個数: 16

約数和(自身を含む): 67103232

約数和(自身を除く): 24116085

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 49927, 149781, 349489, 1048467, 2047007, 6141021, 14329049, 42987147]

約数ペア:

[(1, 42987147), (3, 14329049), (7, 6141021), (21, 2047007), (41, 1048467), (123, 349489), (287, 149781), (861, 49927)]