427772799

素因数分解:

$3^3\times {\mathrm{37}}^2\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:317

約数の個数: 48

約数和(自身を含む): 664554240

約数和(自身を除く): 236781441

約数列:

[1, 3, 9, 27, 37, 71, 111, 163, 213, 333, 489, 639, 999, 1369, 1467, 1917, 2627, 4107, 4401, 6031, 7881, 11573, 12321, 18093, 23643, 34719, 36963, 54279, 70929, 97199, 104157, 162837, 223147, 291597, 312471, 428201, 669441, 874791, 1284603, 2008323, 2624373, 3853809, 6024969, 11561427, 15843437, 47530311, 142590933, 427772799]

約数ペア:

[(1, 427772799), (3, 142590933), (9, 47530311), (27, 15843437), (37, 11561427), (71, 6024969), (111, 3853809), (163, 2624373), (213, 2008323), (333, 1284603), (489, 874791), (639, 669441), (999, 428201), (1369, 312471), (1467, 291597), (1917, 223147), (2627, 162837), (4107, 104157), (4401, 97199), (6031, 70929), (7881, 54279), (11573, 36963), (12321, 34719), (18093, 23643)]