1309311

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{683}}^1$

素因数の和:763

約数の個数: 16

約数和(自身を含む): 1969920

約数和(自身を除く): 660609

約数列:

[1, 3, 9, 27, 71, 213, 639, 683, 1917, 2049, 6147, 18441, 48493, 145479, 436437, 1309311]

約数ペア:

[(1, 1309311), (3, 436437), (9, 145479), (27, 48493), (71, 18441), (213, 6147), (639, 2049), (683, 1917)]