11980647

素因数分解:

$3^2\times 7^3\times {\mathrm{3881}}^1$

素因数の和:3908

約数の個数: 24

約数和(自身を含む): 20186400

約数和(自身を除く): 8205753

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 3881, 11643, 27167, 34929, 81501, 190169, 244503, 570507, 1331183, 1711521, 3993549, 11980647]

約数ペア:

[(1, 11980647), (3, 3993549), (7, 1711521), (9, 1331183), (21, 570507), (49, 244503), (63, 190169), (147, 81501), (343, 34929), (441, 27167), (1029, 11643), (3087, 3881)]