51700275

素因数分解:

$3^4\times 5^2\times {\mathrm{11}}^2\times {\mathrm{211}}^1$

素因数の和:255

約数の個数: 90

約数和(自身を含む): 105763196

約数和(自身を除く): 54062921

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 33, 45, 55, 75, 81, 99, 121, 135, 165, 211, 225, 275, 297, 363, 405, 495, 605, 633, 675, 825, 891, 1055, 1089, 1485, 1815, 1899, 2025, 2321, 2475, 3025, 3165, 3267, 4455, 5275, 5445, 5697, 6963, 7425, 9075, 9495, 9801, 11605, 15825, 16335, 17091, 20889, 22275, 25531, 27225, 28485, 34815, 47475, 49005, 58025, 62667, 76593, 81675, 85455, 104445, 127655, 142425, 174075, 188001, 229779, 245025, 313335, 382965, 427275, 522225, 638275, 689337, 940005, 1148895, 1566675, 1914825, 2068011, 3446685, 4700025, 5744475, 10340055, 17233425, 51700275]

約数ペア:

[(1, 51700275), (3, 17233425), (5, 10340055), (9, 5744475), (11, 4700025), (15, 3446685), (25, 2068011), (27, 1914825), (33, 1566675), (45, 1148895), (55, 940005), (75, 689337), (81, 638275), (99, 522225), (121, 427275), (135, 382965), (165, 313335), (211, 245025), (225, 229779), (275, 188001), (297, 174075), (363, 142425), (405, 127655), (495, 104445), (605, 85455), (633, 81675), (675, 76593), (825, 62667), (891, 58025), (1055, 49005), (1089, 47475), (1485, 34815), (1815, 28485), (1899, 27225), (2025, 25531), (2321, 22275), (2475, 20889), (3025, 17091), (3165, 16335), (3267, 15825), (4455, 11605), (5275, 9801), (5445, 9495), (5697, 9075), (6963, 7425)]