200721391

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1\times {\mathrm{2389}}^1$

素因数の和:2706

約数の個数: 16

約数和(自身を含む): 226457280

約数和(自身を除く): 25735889

約数列:

[1, 13, 23, 281, 299, 2389, 3653, 6463, 31057, 54947, 84019, 671309, 714311, 8727017, 15440107, 200721391]

約数ペア:

[(1, 200721391), (13, 15440107), (23, 8727017), (281, 714311), (299, 671309), (2389, 84019), (3653, 54947), (6463, 31057)]