28664853

素因数分解:

$3^1\times 7^3\times {\mathrm{89}}^1\times {\mathrm{313}}^1$

素因数の和:426

約数の個数: 32

約数和(自身を含む): 45216000

約数和(自身を除く): 16551147

約数列:

[1, 3, 7, 21, 49, 89, 147, 267, 313, 343, 623, 939, 1029, 1869, 2191, 4361, 6573, 13083, 15337, 27857, 30527, 46011, 83571, 91581, 107359, 194999, 322077, 584997, 1364993, 4094979, 9554951, 28664853]

約数ペア:

[(1, 28664853), (3, 9554951), (7, 4094979), (21, 1364993), (49, 584997), (89, 322077), (147, 194999), (267, 107359), (313, 91581), (343, 83571), (623, 46011), (939, 30527), (1029, 27857), (1869, 15337), (2191, 13083), (4361, 6573)]