780204087

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{1249}}^1$

素因数の和:1568

約数の個数: 48

約数和(自身を含む): 1283100000

約数和(自身を除く): 502895913

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 281, 741, 843, 1249, 2223, 2529, 3653, 3747, 5339, 10959, 11241, 16017, 16237, 23731, 32877, 48051, 48711, 69407, 71193, 146133, 208221, 213579, 308503, 350969, 624663, 925509, 1052907, 2776527, 3158721, 4562597, 6668411, 13687791, 20005233, 41063373, 60015699, 86689343, 260068029, 780204087]

約数ペア:

[(1, 780204087), (3, 260068029), (9, 86689343), (13, 60015699), (19, 41063373), (39, 20005233), (57, 13687791), (117, 6668411), (171, 4562597), (247, 3158721), (281, 2776527), (741, 1052907), (843, 925509), (1249, 624663), (2223, 350969), (2529, 308503), (3653, 213579), (3747, 208221), (5339, 146133), (10959, 71193), (11241, 69407), (16017, 48711), (16237, 48051), (23731, 32877)]