209301081

素因数分解:

$3^1\times {\mathrm{11}}^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:155

約数の個数: 64

約数和(自身を含む): 333932544

約数和(自身を除く): 124631463

約数列:

[1, 3, 11, 23, 33, 43, 53, 69, 121, 129, 159, 253, 363, 473, 583, 759, 989, 1219, 1331, 1419, 1749, 2279, 2783, 2967, 3657, 3993, 5203, 6413, 6837, 8349, 10879, 13409, 15609, 19239, 25069, 30613, 32637, 40227, 52417, 57233, 70543, 75207, 91839, 119669, 147499, 157251, 171699, 211629, 275759, 359007, 442497, 576587, 827277, 1316359, 1622489, 1729761, 3033349, 3949077, 4867467, 6342457, 9100047, 19027371, 69767027, 209301081]

約数ペア:

[(1, 209301081), (3, 69767027), (11, 19027371), (23, 9100047), (33, 6342457), (43, 4867467), (53, 3949077), (69, 3033349), (121, 1729761), (129, 1622489), (159, 1316359), (253, 827277), (363, 576587), (473, 442497), (583, 359007), (759, 275759), (989, 211629), (1219, 171699), (1331, 157251), (1419, 147499), (1749, 119669), (2279, 91839), (2783, 75207), (2967, 70543), (3657, 57233), (3993, 52417), (5203, 40227), (6413, 32637), (6837, 30613), (8349, 25069), (10879, 19239), (13409, 15609)]