2205189

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:130

約数の個数: 48

約数和(自身を含む): 4043520

約数和(自身を除く): 1838331

約数列:

[1, 3, 7, 9, 17, 21, 29, 51, 63, 71, 87, 119, 153, 203, 213, 261, 357, 493, 497, 609, 639, 1071, 1207, 1479, 1491, 1827, 2059, 3451, 3621, 4437, 4473, 6177, 8449, 10353, 10863, 14413, 18531, 25347, 31059, 35003, 43239, 76041, 105009, 129717, 245021, 315027, 735063, 2205189]

約数ペア:

[(1, 2205189), (3, 735063), (7, 315027), (9, 245021), (17, 129717), (21, 105009), (29, 76041), (51, 43239), (63, 35003), (71, 31059), (87, 25347), (119, 18531), (153, 14413), (203, 10863), (213, 10353), (261, 8449), (357, 6177), (493, 4473), (497, 4437), (609, 3621), (639, 3451), (1071, 2059), (1207, 1827), (1479, 1491)]