2398599

素因数分解:

$3^3\times 7^4\times {\mathrm{37}}^1$

素因数の和:74

約数の個数: 40

約数和(自身を含む): 4257520

約数和(自身を除く): 1858921

約数列:

[1, 3, 7, 9, 21, 27, 37, 49, 63, 111, 147, 189, 259, 333, 343, 441, 777, 999, 1029, 1323, 1813, 2331, 2401, 3087, 5439, 6993, 7203, 9261, 12691, 16317, 21609, 38073, 48951, 64827, 88837, 114219, 266511, 342657, 799533, 2398599]

約数ペア:

[(1, 2398599), (3, 799533), (7, 342657), (9, 266511), (21, 114219), (27, 88837), (37, 64827), (49, 48951), (63, 38073), (111, 21609), (147, 16317), (189, 12691), (259, 9261), (333, 7203), (343, 6993), (441, 5439), (777, 3087), (999, 2401), (1029, 2331), (1323, 1813)]