201987555

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:166

約数の個数: 128

約数和(自身を含む): 425779200

約数和(自身を除く): 223791645

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 43, 49, 55, 77, 83, 105, 129, 147, 165, 215, 231, 245, 249, 301, 343, 385, 415, 473, 539, 581, 645, 735, 903, 913, 1029, 1155, 1245, 1419, 1505, 1617, 1715, 1743, 2107, 2365, 2695, 2739, 2905, 3311, 3569, 3773, 4067, 4515, 4565, 5145, 6321, 6391, 7095, 8085, 8715, 9933, 10535, 10707, 11319, 12201, 13695, 14749, 16555, 17845, 18865, 19173, 20335, 23177, 24983, 28469, 31605, 31955, 39259, 44247, 44737, 49665, 53535, 56595, 61005, 69531, 73745, 74949, 85407, 95865, 115885, 117777, 124915, 134211, 142345, 162239, 174881, 196295, 221235, 223685, 274813, 313159, 347655, 374745, 427035, 486717, 524643, 588885, 671055, 811195, 824439, 874405, 939477, 1224167, 1374065, 1565795, 1923691, 2433585, 2623215, 3672501, 4122195, 4697385, 5771073, 6120835, 9618455, 13465837, 18362505, 28855365, 40397511, 67329185, 201987555]

約数ペア:

[(1, 201987555), (3, 67329185), (5, 40397511), (7, 28855365), (11, 18362505), (15, 13465837), (21, 9618455), (33, 6120835), (35, 5771073), (43, 4697385), (49, 4122195), (55, 3672501), (77, 2623215), (83, 2433585), (105, 1923691), (129, 1565795), (147, 1374065), (165, 1224167), (215, 939477), (231, 874405), (245, 824439), (249, 811195), (301, 671055), (343, 588885), (385, 524643), (415, 486717), (473, 427035), (539, 374745), (581, 347655), (645, 313159), (735, 274813), (903, 223685), (913, 221235), (1029, 196295), (1155, 174881), (1245, 162239), (1419, 142345), (1505, 134211), (1617, 124915), (1715, 117777), (1743, 115885), (2107, 95865), (2365, 85407), (2695, 74949), (2739, 73745), (2905, 69531), (3311, 61005), (3569, 56595), (3773, 53535), (4067, 49665), (4515, 44737), (4565, 44247), (5145, 39259), (6321, 31955), (6391, 31605), (7095, 28469), (8085, 24983), (8715, 23177), (9933, 20335), (10535, 19173), (10707, 18865), (11319, 17845), (12201, 16555), (13695, 14749)]