65996775

素因数分解:

$3^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:167

約数の個数: 120

約数和(自身を含む): 138636960

約数和(自身を除く): 72640185

約数列:

[1, 3, 5, 9, 13, 15, 23, 25, 27, 39, 45, 65, 69, 75, 81, 109, 115, 117, 135, 195, 207, 225, 299, 325, 327, 345, 351, 405, 545, 575, 585, 621, 675, 897, 975, 981, 1035, 1053, 1417, 1495, 1635, 1725, 1755, 1863, 2025, 2507, 2691, 2725, 2925, 2943, 3105, 4251, 4485, 4905, 5175, 5265, 7085, 7475, 7521, 8073, 8175, 8775, 8829, 9315, 12535, 12753, 13455, 14715, 15525, 21255, 22425, 22563, 24219, 24525, 26325, 32591, 35425, 37605, 38259, 40365, 44145, 46575, 62675, 63765, 67275, 67689, 73575, 97773, 106275, 112815, 114777, 121095, 162955, 188025, 191295, 201825, 203067, 220725, 293319, 318825, 338445, 488865, 564075, 573885, 605475, 814775, 879957, 956475, 1015335, 1466595, 1692225, 2444325, 2639871, 2869425, 4399785, 5076675, 7332975, 13199355, 21998925, 65996775]

約数ペア:

[(1, 65996775), (3, 21998925), (5, 13199355), (9, 7332975), (13, 5076675), (15, 4399785), (23, 2869425), (25, 2639871), (27, 2444325), (39, 1692225), (45, 1466595), (65, 1015335), (69, 956475), (75, 879957), (81, 814775), (109, 605475), (115, 573885), (117, 564075), (135, 488865), (195, 338445), (207, 318825), (225, 293319), (299, 220725), (325, 203067), (327, 201825), (345, 191295), (351, 188025), (405, 162955), (545, 121095), (575, 114777), (585, 112815), (621, 106275), (675, 97773), (897, 73575), (975, 67689), (981, 67275), (1035, 63765), (1053, 62675), (1417, 46575), (1495, 44145), (1635, 40365), (1725, 38259), (1755, 37605), (1863, 35425), (2025, 32591), (2507, 26325), (2691, 24525), (2725, 24219), (2925, 22563), (2943, 22425), (3105, 21255), (4251, 15525), (4485, 14715), (4905, 13455), (5175, 12753), (5265, 12535), (7085, 9315), (7475, 8829), (7521, 8775), (8073, 8175)]