25701219

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:233

約数の個数: 40

約数和(自身を含む): 40249440

約数和(自身を除く): 14548221

約数列:

[1, 3, 9, 27, 41, 71, 81, 109, 123, 213, 327, 369, 639, 981, 1107, 1917, 2911, 2943, 3321, 4469, 5751, 7739, 8733, 8829, 13407, 23217, 26199, 40221, 69651, 78597, 120663, 208953, 235791, 317299, 361989, 626859, 951897, 2855691, 8567073, 25701219]

約数ペア:

[(1, 25701219), (3, 8567073), (9, 2855691), (27, 951897), (41, 626859), (71, 361989), (81, 317299), (109, 235791), (123, 208953), (213, 120663), (327, 78597), (369, 69651), (639, 40221), (981, 26199), (1107, 23217), (1917, 13407), (2911, 8829), (2943, 8733), (3321, 7739), (4469, 5751)]