28206591

素因数分解:

$3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{12553}}^1$

素因数の和:12670

約数の個数: 16

約数和(自身を含む): 43386624

約数和(自身を除く): 15180033

約数列:

[1, 3, 7, 21, 107, 321, 749, 2247, 12553, 37659, 87871, 263613, 1343171, 4029513, 9402197, 28206591]

約数ペア:

[(1, 28206591), (3, 9402197), (7, 4029513), (21, 1343171), (107, 263613), (321, 87871), (749, 37659), (2247, 12553)]