17450721

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:100

約数の個数: 80

約数和(自身を含む): 31363200

約数和(自身を除く): 13912479

約数列:

[1, 3, 9, 17, 19, 23, 27, 29, 51, 57, 69, 81, 87, 153, 171, 207, 261, 323, 391, 437, 459, 493, 513, 551, 621, 667, 783, 969, 1173, 1311, 1377, 1479, 1539, 1653, 1863, 2001, 2349, 2907, 3519, 3933, 4437, 4959, 6003, 7429, 8721, 9367, 10557, 11339, 11799, 12673, 13311, 14877, 18009, 22287, 26163, 28101, 31671, 34017, 35397, 38019, 39933, 44631, 54027, 66861, 84303, 102051, 114057, 200583, 215441, 252909, 306153, 342171, 601749, 646323, 758727, 918459, 1026513, 1938969, 5816907, 17450721]

約数ペア:

[(1, 17450721), (3, 5816907), (9, 1938969), (17, 1026513), (19, 918459), (23, 758727), (27, 646323), (29, 601749), (51, 342171), (57, 306153), (69, 252909), (81, 215441), (87, 200583), (153, 114057), (171, 102051), (207, 84303), (261, 66861), (323, 54027), (391, 44631), (437, 39933), (459, 38019), (493, 35397), (513, 34017), (551, 31671), (621, 28101), (667, 26163), (783, 22287), (969, 18009), (1173, 14877), (1311, 13311), (1377, 12673), (1479, 11799), (1539, 11339), (1653, 10557), (1863, 9367), (2001, 8721), (2349, 7429), (2907, 6003), (3519, 4959), (3933, 4437)]