200889909

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{181}}^1$

素因数の和:339

約数の個数: 64

約数和(自身を含む): 338607360

約数和(自身を除く): 137717451

約数列:

[1, 3, 9, 11, 27, 33, 37, 99, 101, 111, 181, 297, 303, 333, 407, 543, 909, 999, 1111, 1221, 1629, 1991, 2727, 3333, 3663, 3737, 4887, 5973, 6697, 9999, 10989, 11211, 17919, 18281, 20091, 29997, 33633, 41107, 53757, 54843, 60273, 73667, 100899, 123321, 164529, 180819, 201091, 221001, 369963, 493587, 603273, 663003, 676397, 1109889, 1809819, 1989009, 2029191, 5429457, 6087573, 7440367, 18262719, 22321101, 66963303, 200889909]

約数ペア:

[(1, 200889909), (3, 66963303), (9, 22321101), (11, 18262719), (27, 7440367), (33, 6087573), (37, 5429457), (99, 2029191), (101, 1989009), (111, 1809819), (181, 1109889), (297, 676397), (303, 663003), (333, 603273), (407, 493587), (543, 369963), (909, 221001), (999, 201091), (1111, 180819), (1221, 164529), (1629, 123321), (1991, 100899), (2727, 73667), (3333, 60273), (3663, 54843), (3737, 53757), (4887, 41107), (5973, 33633), (6697, 29997), (9999, 20091), (10989, 18281), (11211, 17919)]