38946519

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{641}}^1$

素因数の和:847

約数の個数: 24

約数和(自身を含む): 58021392

約数和(自身を除く): 19074873

約数列:

[1, 3, 9, 43, 129, 157, 387, 471, 641, 1413, 1923, 5769, 6751, 20253, 27563, 60759, 82689, 100637, 248067, 301911, 905733, 4327391, 12982173, 38946519]

約数ペア:

[(1, 38946519), (3, 12982173), (9, 4327391), (43, 905733), (129, 301911), (157, 248067), (387, 100637), (471, 82689), (641, 60759), (1413, 27563), (1923, 20253), (5769, 6751)]