13680751

素因数分解:

$7^2\times {\mathrm{43}}^2\times {\mathrm{151}}^1$

素因数の和:251

約数の個数: 18

約数和(自身を含む): 16400952

約数和(自身を除く): 2720201

約数列:

[1, 7, 43, 49, 151, 301, 1057, 1849, 2107, 6493, 7399, 12943, 45451, 90601, 279199, 318157, 1954393, 13680751]

約数ペア:

[(1, 13680751), (7, 1954393), (43, 318157), (49, 279199), (151, 90601), (301, 45451), (1057, 12943), (1849, 7399), (2107, 6493)]