2638293

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1721}}^1$

素因数の和:1804

約数の個数: 16

約数和(自身を含む): 4077696

約数和(自身を除く): 1439403

約数列:

[1, 3, 7, 21, 73, 219, 511, 1533, 1721, 5163, 12047, 36141, 125633, 376899, 879431, 2638293]

約数ペア:

[(1, 2638293), (3, 879431), (7, 376899), (21, 125633), (73, 36141), (219, 12047), (511, 5163), (1533, 1721)]