1681237377

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{331}}^1\times {\mathrm{859}}^1$

素因数の和:1275

約数の個数: 40

約数和(自身を含む): 2556546080

約数和(自身を除く): 875308703

約数列:

[1, 3, 9, 27, 73, 81, 219, 331, 657, 859, 993, 1971, 2577, 2979, 5913, 7731, 8937, 23193, 24163, 26811, 62707, 69579, 72489, 188121, 217467, 284329, 564363, 652401, 852987, 1693089, 1957203, 2558961, 5079267, 7676883, 20756017, 23030649, 62268051, 186804153, 560412459, 1681237377]

約数ペア:

[(1, 1681237377), (3, 560412459), (9, 186804153), (27, 62268051), (73, 23030649), (81, 20756017), (219, 7676883), (331, 5079267), (657, 2558961), (859, 1957203), (993, 1693089), (1971, 852987), (2577, 652401), (2979, 564363), (5913, 284329), (7731, 217467), (8937, 188121), (23193, 72489), (24163, 69579), (26811, 62707)]