2645559

素因数分解:

$3^2\times 7^3\times {\mathrm{857}}^1$

素因数の和:884

約数の個数: 24

約数和(自身を含む): 4461600

約数和(自身を除く): 1816041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 857, 1029, 2571, 3087, 5999, 7713, 17997, 41993, 53991, 125979, 293951, 377937, 881853, 2645559]

約数ペア:

[(1, 2645559), (3, 881853), (7, 377937), (9, 293951), (21, 125979), (49, 53991), (63, 41993), (147, 17997), (343, 7713), (441, 5999), (857, 3087), (1029, 2571)]