1780496217

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1\times {\mathrm{1087}}^1$

素因数の和:1350

約数の個数: 48

約数和(自身を含む): 2765887488

約数和(自身を除く): 985391271

約数列:

[1, 3, 9, 23, 41, 69, 123, 193, 207, 369, 579, 943, 1087, 1737, 2829, 3261, 4439, 7913, 8487, 9783, 13317, 23739, 25001, 39951, 44567, 71217, 75003, 133701, 181999, 209791, 225009, 401103, 545997, 629373, 1025041, 1637991, 1888119, 3075123, 4825193, 8601431, 9225369, 14475579, 25804293, 43426737, 77412879, 197832913, 593498739, 1780496217]

約数ペア:

[(1, 1780496217), (3, 593498739), (9, 197832913), (23, 77412879), (41, 43426737), (69, 25804293), (123, 14475579), (193, 9225369), (207, 8601431), (369, 4825193), (579, 3075123), (943, 1888119), (1087, 1637991), (1737, 1025041), (2829, 629373), (3261, 545997), (4439, 401103), (7913, 225009), (8487, 209791), (9783, 181999), (13317, 133701), (23739, 75003), (25001, 71217), (39951, 44567)]