2617991187

素因数分解:

$3^1\times 7^1\times {\mathrm{1621}}^1\times {\mathrm{76907}}^1$

素因数の和:78538

約数の個数: 16

約数和(自身を含む): 3991832832

約数和(自身を除く): 1373841645

約数列:

[1, 3, 7, 21, 1621, 4863, 11347, 34041, 76907, 230721, 538349, 1615047, 124666247, 373998741, 872663729, 2617991187]

約数ペア:

[(1, 2617991187), (3, 872663729), (7, 373998741), (21, 124666247), (1621, 1615047), (4863, 538349), (11347, 230721), (34041, 76907)]