65640213

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{653}}^1$

素因数の和:755

約数の個数: 40

約数和(自身を含む): 105406488

約数和(自身を除く): 39766275

約数列:

[1, 3, 9, 17, 27, 51, 73, 81, 153, 219, 459, 653, 657, 1241, 1377, 1959, 1971, 3723, 5877, 5913, 11101, 11169, 17631, 33303, 33507, 47669, 52893, 99909, 100521, 143007, 299727, 429021, 810373, 899181, 1287063, 2431119, 3861189, 7293357, 21880071, 65640213]

約数ペア:

[(1, 65640213), (3, 21880071), (9, 7293357), (17, 3861189), (27, 2431119), (51, 1287063), (73, 899181), (81, 810373), (153, 429021), (219, 299727), (459, 143007), (653, 100521), (657, 99909), (1241, 52893), (1377, 47669), (1959, 33507), (1971, 33303), (3723, 17631), (5877, 11169), (5913, 11101)]