391983291

素因数分解:

$3^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{24023}}^1$

素因数の和:24080

約数の個数: 36

約数和(自身を含む): 676467792

約数和(自身を除く): 284484501

約数列:

[1, 3, 7, 9, 21, 37, 49, 63, 111, 147, 259, 333, 441, 777, 1813, 2331, 5439, 16317, 24023, 72069, 168161, 216207, 504483, 888851, 1177127, 1513449, 2666553, 3531381, 6221957, 7999659, 10594143, 18665871, 43553699, 55997613, 130661097, 391983291]

約数ペア:

[(1, 391983291), (3, 130661097), (7, 55997613), (9, 43553699), (21, 18665871), (37, 10594143), (49, 7999659), (63, 6221957), (111, 3531381), (147, 2666553), (259, 1513449), (333, 1177127), (441, 888851), (777, 504483), (1813, 216207), (2331, 168161), (5439, 72069), (16317, 24023)]