628182009

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:204

約数の個数: 144

約数和(自身を含む): 1228281600

約数和(自身を除く): 600099591

約数列:

[1, 3, 7, 9, 13, 19, 21, 39, 49, 57, 63, 73, 79, 91, 117, 133, 147, 171, 219, 237, 247, 273, 399, 441, 511, 553, 637, 657, 711, 741, 819, 931, 949, 1027, 1197, 1387, 1501, 1533, 1659, 1729, 1911, 2223, 2793, 2847, 3081, 3577, 3871, 4161, 4503, 4599, 4977, 5187, 5733, 5767, 6643, 7189, 8379, 8541, 9243, 9709, 10507, 10731, 11613, 12103, 12483, 13509, 15561, 17301, 18031, 19513, 19929, 21567, 29127, 31521, 32193, 34839, 36309, 40369, 46501, 50323, 51903, 54093, 58539, 59787, 64701, 67963, 73549, 74971, 87381, 94563, 108927, 109573, 121107, 126217, 136591, 139503, 150969, 162279, 175617, 203889, 220647, 224913, 282583, 328719, 363321, 378651, 409773, 418509, 452907, 524797, 611667, 661941, 674739, 767011, 847749, 883519, 956137, 986157, 1135953, 1229319, 1424449, 1574391, 2301033, 2543247, 2650557, 2868411, 3673579, 4273347, 4723173, 5369077, 6903099, 7951671, 8605233, 9971143, 11020737, 12820041, 16107231, 29913429, 33062211, 48321693, 69798001, 89740287, 209394003, 628182009]

約数ペア:

[(1, 628182009), (3, 209394003), (7, 89740287), (9, 69798001), (13, 48321693), (19, 33062211), (21, 29913429), (39, 16107231), (49, 12820041), (57, 11020737), (63, 9971143), (73, 8605233), (79, 7951671), (91, 6903099), (117, 5369077), (133, 4723173), (147, 4273347), (171, 3673579), (219, 2868411), (237, 2650557), (247, 2543247), (273, 2301033), (399, 1574391), (441, 1424449), (511, 1229319), (553, 1135953), (637, 986157), (657, 956137), (711, 883519), (741, 847749), (819, 767011), (931, 674739), (949, 661941), (1027, 611667), (1197, 524797), (1387, 452907), (1501, 418509), (1533, 409773), (1659, 378651), (1729, 363321), (1911, 328719), (2223, 282583), (2793, 224913), (2847, 220647), (3081, 203889), (3577, 175617), (3871, 162279), (4161, 150969), (4503, 139503), (4599, 136591), (4977, 126217), (5187, 121107), (5733, 109573), (5767, 108927), (6643, 94563), (7189, 87381), (8379, 74971), (8541, 73549), (9243, 67963), (9709, 64701), (10507, 59787), (10731, 58539), (11613, 54093), (12103, 51903), (12483, 50323), (13509, 46501), (15561, 40369), (17301, 36309), (18031, 34839), (19513, 32193), (19929, 31521), (21567, 29127)]