2543751

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1$

素因数の和:372

約数の個数: 32

約数和(自身を含む): 4421120

約数和(自身を除く): 1877369

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 129, 189, 301, 313, 387, 903, 939, 1161, 2191, 2709, 2817, 6573, 8127, 8451, 13459, 19719, 40377, 59157, 94213, 121131, 282639, 363393, 847917, 2543751]

約数ペア:

[(1, 2543751), (3, 847917), (7, 363393), (9, 282639), (21, 121131), (27, 94213), (43, 59157), (63, 40377), (129, 19719), (189, 13459), (301, 8451), (313, 8127), (387, 6573), (903, 2817), (939, 2709), (1161, 2191)]