53739261

素因数分解:

$3^3\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:211

約数の個数: 48

約数和(自身を含む): 86647680

約数和(自身を除く): 32908419

約数列:

[1, 3, 9, 17, 27, 51, 71, 97, 153, 213, 289, 291, 459, 639, 867, 873, 1207, 1649, 1917, 2601, 2619, 3621, 4947, 6887, 7803, 10863, 14841, 20519, 20661, 28033, 32589, 44523, 61557, 61983, 84099, 117079, 184671, 185949, 252297, 351237, 554013, 756891, 1053711, 1990343, 3161133, 5971029, 17913087, 53739261]

約数ペア:

[(1, 53739261), (3, 17913087), (9, 5971029), (17, 3161133), (27, 1990343), (51, 1053711), (71, 756891), (97, 554013), (153, 351237), (213, 252297), (289, 185949), (291, 184671), (459, 117079), (639, 84099), (867, 61983), (873, 61557), (1207, 44523), (1649, 32589), (1917, 28033), (2601, 20661), (2619, 20519), (3621, 14841), (4947, 10863), (6887, 7803)]