6738921

素因数分解:

$3^2\times 7^3\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:123

約数の個数: 48

約数和(自身を含む): 11856000

約数和(自身を除く): 5117079

約数列:

[1, 3, 7, 9, 21, 37, 49, 59, 63, 111, 147, 177, 259, 333, 343, 413, 441, 531, 777, 1029, 1239, 1813, 2183, 2331, 2891, 3087, 3717, 5439, 6549, 8673, 12691, 15281, 16317, 19647, 20237, 26019, 38073, 45843, 60711, 106967, 114219, 137529, 182133, 320901, 748769, 962703, 2246307, 6738921]

約数ペア:

[(1, 6738921), (3, 2246307), (7, 962703), (9, 748769), (21, 320901), (37, 182133), (49, 137529), (59, 114219), (63, 106967), (111, 60711), (147, 45843), (177, 38073), (259, 26019), (333, 20237), (343, 19647), (413, 16317), (441, 15281), (531, 12691), (777, 8673), (1029, 6549), (1239, 5439), (1813, 3717), (2183, 3087), (2331, 2891)]