1980261

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{1033}}^1$

素因数の和:1113

約数の個数: 16

約数和(自身を含む): 2977920

約数和(自身を除く): 997659

約数列:

[1, 3, 9, 27, 71, 213, 639, 1033, 1917, 3099, 9297, 27891, 73343, 220029, 660087, 1980261]

約数ペア:

[(1, 1980261), (3, 660087), (9, 220029), (27, 73343), (71, 27891), (213, 9297), (639, 3099), (1033, 1917)]