78513813

素因数分解:

$3^3\times 7^1\times {\mathrm{127}}^1\times {\mathrm{3271}}^1$

素因数の和:3414

約数の個数: 32

約数和(自身を含む): 134021120

約数和(自身を除く): 55507307

約数列:

[1, 3, 7, 9, 21, 27, 63, 127, 189, 381, 889, 1143, 2667, 3271, 3429, 8001, 9813, 22897, 24003, 29439, 68691, 88317, 206073, 415417, 618219, 1246251, 2907919, 3738753, 8723757, 11216259, 26171271, 78513813]

約数ペア:

[(1, 78513813), (3, 26171271), (7, 11216259), (9, 8723757), (21, 3738753), (27, 2907919), (63, 1246251), (127, 618219), (189, 415417), (381, 206073), (889, 88317), (1143, 68691), (2667, 29439), (3271, 24003), (3429, 22897), (8001, 9813)]