201992805

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:220

約数の個数: 128

約数和(自身を含む): 433382400

約数和(自身を除く): 231389595

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 37, 45, 53, 63, 105, 109, 111, 135, 159, 185, 189, 259, 265, 315, 327, 333, 371, 477, 545, 555, 763, 777, 795, 945, 981, 999, 1113, 1295, 1431, 1635, 1665, 1855, 1961, 2289, 2331, 2385, 2943, 3339, 3815, 3885, 4033, 4905, 4995, 5565, 5777, 5883, 6867, 6993, 7155, 9805, 10017, 11445, 11655, 12099, 13727, 14715, 16695, 17331, 17649, 20165, 20601, 28231, 28885, 29415, 34335, 34965, 36297, 40439, 41181, 50085, 51993, 52947, 60495, 68635, 84693, 86655, 88245, 103005, 108891, 121317, 123543, 141155, 155979, 181485, 202195, 205905, 213749, 254079, 259965, 264735, 363951, 370629, 423465, 544455, 606585, 617715, 641247, 762237, 779895, 1068745, 1091853, 1270395, 1496243, 1819755, 1853145, 1923741, 3206235, 3811185, 4488729, 5459265, 5771223, 7481215, 9618705, 13466187, 22443645, 28856115, 40398561, 67330935, 201992805]

約数ペア:

[(1, 201992805), (3, 67330935), (5, 40398561), (7, 28856115), (9, 22443645), (15, 13466187), (21, 9618705), (27, 7481215), (35, 5771223), (37, 5459265), (45, 4488729), (53, 3811185), (63, 3206235), (105, 1923741), (109, 1853145), (111, 1819755), (135, 1496243), (159, 1270395), (185, 1091853), (189, 1068745), (259, 779895), (265, 762237), (315, 641247), (327, 617715), (333, 606585), (371, 544455), (477, 423465), (545, 370629), (555, 363951), (763, 264735), (777, 259965), (795, 254079), (945, 213749), (981, 205905), (999, 202195), (1113, 181485), (1295, 155979), (1431, 141155), (1635, 123543), (1665, 121317), (1855, 108891), (1961, 103005), (2289, 88245), (2331, 86655), (2385, 84693), (2943, 68635), (3339, 60495), (3815, 52947), (3885, 51993), (4033, 50085), (4905, 41181), (4995, 40439), (5565, 36297), (5777, 34965), (5883, 34335), (6867, 29415), (6993, 28885), (7155, 28231), (9805, 20601), (10017, 20165), (11445, 17649), (11655, 17331), (12099, 16695), (13727, 14715)]