19640693727

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{353}}^1\times {\mathrm{28229}}^1$

素因数の和:28664

約数の個数: 32

約数和(自身を含む): 29580523200

約数和(自身を除く): 9939829473

約数列:

[1, 3, 9, 27, 73, 219, 353, 657, 1059, 1971, 3177, 9531, 25769, 28229, 77307, 84687, 231921, 254061, 695763, 762183, 2060717, 6182151, 9964837, 18546453, 29894511, 55639359, 89683533, 269050599, 727433101, 2182299303, 6546897909, 19640693727]

約数ペア:

[(1, 19640693727), (3, 6546897909), (9, 2182299303), (27, 727433101), (73, 269050599), (219, 89683533), (353, 55639359), (657, 29894511), (1059, 18546453), (1971, 9964837), (3177, 6182151), (9531, 2060717), (25769, 762183), (28229, 695763), (77307, 254061), (84687, 231921)]