12997557

素因数分解:

$3^3\times {\mathrm{641}}^1\times {\mathrm{751}}^1$

素因数の和:1401

約数の個数: 16

約数和(自身を含む): 19311360

約数和(自身を除く): 6313803

約数列:

[1, 3, 9, 27, 641, 751, 1923, 2253, 5769, 6759, 17307, 20277, 481391, 1444173, 4332519, 12997557]

約数ペア:

[(1, 12997557), (3, 4332519), (9, 1444173), (27, 481391), (641, 20277), (751, 17307), (1923, 6759), (2253, 5769)]