2128063091

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{1987}}^2$

素因数の和:3999

約数の個数: 18

約数和(自身を含む): 2701907388

約数和(自身を除く): 573844297

約数列:

[1, 7, 11, 49, 77, 539, 1987, 13909, 21857, 97363, 152999, 1070993, 3948169, 27637183, 43429859, 193460281, 304009013, 2128063091]

約数ペア:

[(1, 2128063091), (7, 304009013), (11, 193460281), (49, 43429859), (77, 27637183), (539, 3948169), (1987, 1070993), (13909, 152999), (21857, 97363)]