229898781

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{499}}^1$

素因数の和:686

約数の個数: 48

約数和(自身を含む): 389376000

約数和(自身を除く): 159477219

約数列:

[1, 3, 7, 9, 21, 63, 71, 103, 213, 309, 497, 499, 639, 721, 927, 1491, 1497, 2163, 3493, 4473, 4491, 6489, 7313, 10479, 21939, 31437, 35429, 51191, 51397, 65817, 106287, 153573, 154191, 248003, 318861, 359779, 460719, 462573, 744009, 1079337, 2232027, 3238011, 3649187, 10947561, 25544309, 32842683, 76632927, 229898781]

約数ペア:

[(1, 229898781), (3, 76632927), (7, 32842683), (9, 25544309), (21, 10947561), (63, 3649187), (71, 3238011), (103, 2232027), (213, 1079337), (309, 744009), (497, 462573), (499, 460719), (639, 359779), (721, 318861), (927, 248003), (1491, 154191), (1497, 153573), (2163, 106287), (3493, 65817), (4473, 51397), (4491, 51191), (6489, 35429), (7313, 31437), (10479, 21939)]