2591667

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1303}}^1$

素因数の和:1339

約数の個数: 24

約数和(自身を含む): 4271904

約数和(自身を除く): 1680237

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1303, 1989, 3909, 11727, 16939, 22151, 50817, 66453, 152451, 199359, 287963, 863889, 2591667]

約数ペア:

[(1, 2591667), (3, 863889), (9, 287963), (13, 199359), (17, 152451), (39, 66453), (51, 50817), (117, 22151), (153, 16939), (221, 11727), (663, 3909), (1303, 1989)]