209546505

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{359}}^1$

素因数の和:503

約数の個数: 96

約数和(自身を含む): 444787200

約数和(自身を除く): 235240695

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 51, 63, 85, 105, 109, 119, 153, 255, 315, 327, 357, 359, 545, 595, 763, 765, 981, 1071, 1077, 1635, 1785, 1795, 1853, 2289, 2513, 3231, 3815, 4905, 5355, 5385, 5559, 6103, 6867, 7539, 9265, 11445, 12565, 12971, 16155, 16677, 18309, 22617, 27795, 30515, 34335, 37695, 38913, 39131, 42721, 54927, 64855, 83385, 91545, 113085, 116739, 117393, 128163, 194565, 195655, 213605, 273917, 274635, 352179, 384489, 583695, 586965, 640815, 665227, 821751, 1369585, 1760895, 1922445, 1995681, 2465253, 3326135, 4108755, 4656589, 5987043, 9978405, 12326265, 13969767, 23282945, 29935215, 41909301, 69848835, 209546505]

約数ペア:

[(1, 209546505), (3, 69848835), (5, 41909301), (7, 29935215), (9, 23282945), (15, 13969767), (17, 12326265), (21, 9978405), (35, 5987043), (45, 4656589), (51, 4108755), (63, 3326135), (85, 2465253), (105, 1995681), (109, 1922445), (119, 1760895), (153, 1369585), (255, 821751), (315, 665227), (327, 640815), (357, 586965), (359, 583695), (545, 384489), (595, 352179), (763, 274635), (765, 273917), (981, 213605), (1071, 195655), (1077, 194565), (1635, 128163), (1785, 117393), (1795, 116739), (1853, 113085), (2289, 91545), (2513, 83385), (3231, 64855), (3815, 54927), (4905, 42721), (5355, 39131), (5385, 38913), (5559, 37695), (6103, 34335), (6867, 30515), (7539, 27795), (9265, 22617), (11445, 18309), (12565, 16677), (12971, 16155)]