16883391

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{2671}}^1$

素因数の和:2731

約数の個数: 24

約数和(自身を含む): 26805504

約数和(自身を除く): 9922113

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 301, 903, 2107, 2671, 6321, 8013, 18697, 56091, 114853, 130879, 344559, 392637, 803971, 2411913, 5627797, 16883391]

約数ペア:

[(1, 16883391), (3, 5627797), (7, 2411913), (21, 803971), (43, 392637), (49, 344559), (129, 130879), (147, 114853), (301, 56091), (903, 18697), (2107, 8013), (2671, 6321)]