66740355

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:310

約数の個数: 80

約数和(自身を含む): 132979968

約数和(自身を除く): 66239613

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 71, 81, 99, 135, 165, 211, 213, 297, 355, 405, 495, 633, 639, 781, 891, 1055, 1065, 1485, 1899, 1917, 2321, 2343, 3165, 3195, 3905, 4455, 5697, 5751, 6963, 7029, 9495, 9585, 11605, 11715, 14981, 17091, 20889, 21087, 28485, 28755, 34815, 35145, 44943, 62667, 63261, 74905, 85455, 104445, 105435, 134829, 164791, 188001, 224715, 313335, 316305, 404487, 494373, 674145, 823955, 940005, 1213461, 1483119, 2022435, 2471865, 4449357, 6067305, 7415595, 13348071, 22246785, 66740355]

約数ペア:

[(1, 66740355), (3, 22246785), (5, 13348071), (9, 7415595), (11, 6067305), (15, 4449357), (27, 2471865), (33, 2022435), (45, 1483119), (55, 1213461), (71, 940005), (81, 823955), (99, 674145), (135, 494373), (165, 404487), (211, 316305), (213, 313335), (297, 224715), (355, 188001), (405, 164791), (495, 134829), (633, 105435), (639, 104445), (781, 85455), (891, 74905), (1055, 63261), (1065, 62667), (1485, 44943), (1899, 35145), (1917, 34815), (2321, 28755), (2343, 28485), (3165, 21087), (3195, 20889), (3905, 17091), (4455, 14981), (5697, 11715), (5751, 11605), (6963, 9585), (7029, 9495)]