6688521

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{823}}^1$

素因数の和:882

約数の個数: 32

約数和(自身を含む): 11601920

約数和(自身を除く): 4913399

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 129, 189, 301, 387, 823, 903, 1161, 2469, 2709, 5761, 7407, 8127, 17283, 22221, 35389, 51849, 106167, 155547, 247723, 318501, 743169, 955503, 2229507, 6688521]

約数ペア:

[(1, 6688521), (3, 2229507), (7, 955503), (9, 743169), (21, 318501), (27, 247723), (43, 155547), (63, 106167), (129, 51849), (189, 35389), (301, 22221), (387, 17283), (823, 8127), (903, 7407), (1161, 5761), (2469, 2709)]