11209779

素因数分解:

$3^3\times 7^2\times {\mathrm{37}}^1\times {\mathrm{229}}^1$

素因数の和:289

約数の個数: 48

約数和(自身を含む): 19927200

約数和(自身を除く): 8717421

約数列:

[1, 3, 7, 9, 21, 27, 37, 49, 63, 111, 147, 189, 229, 259, 333, 441, 687, 777, 999, 1323, 1603, 1813, 2061, 2331, 4809, 5439, 6183, 6993, 8473, 11221, 14427, 16317, 25419, 33663, 43281, 48951, 59311, 76257, 100989, 177933, 228771, 302967, 415177, 533799, 1245531, 1601397, 3736593, 11209779]

約数ペア:

[(1, 11209779), (3, 3736593), (7, 1601397), (9, 1245531), (21, 533799), (27, 415177), (37, 302967), (49, 228771), (63, 177933), (111, 100989), (147, 76257), (189, 59311), (229, 48951), (259, 43281), (333, 33663), (441, 25419), (687, 16317), (777, 14427), (999, 11221), (1323, 8473), (1603, 6993), (1813, 6183), (2061, 5439), (2331, 4809)]