49720257

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{727}}^1$

素因数の和:902

約数の個数: 32

約数和(自身を含む): 78624000

約数和(自身を除く): 28903743

約数列:

[1, 3, 9, 17, 27, 51, 149, 153, 447, 459, 727, 1341, 2181, 2533, 4023, 6543, 7599, 12359, 19629, 22797, 37077, 68391, 108323, 111231, 324969, 333693, 974907, 1841491, 2924721, 5524473, 16573419, 49720257]

約数ペア:

[(1, 49720257), (3, 16573419), (9, 5524473), (17, 2924721), (27, 1841491), (51, 974907), (149, 333693), (153, 324969), (447, 111231), (459, 108323), (727, 68391), (1341, 37077), (2181, 22797), (2533, 19629), (4023, 12359), (6543, 7599)]