51330825

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:168

約数の個数: 144

約数和(自身を含む): 119159040

約数和(自身を除く): 67828215

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 23, 25, 35, 39, 45, 63, 65, 69, 75, 91, 105, 109, 115, 117, 161, 175, 195, 207, 225, 273, 299, 315, 325, 327, 345, 455, 483, 525, 545, 575, 585, 763, 805, 819, 897, 975, 981, 1035, 1365, 1417, 1449, 1495, 1575, 1635, 1725, 2093, 2275, 2289, 2415, 2507, 2691, 2725, 2925, 3815, 4025, 4095, 4251, 4485, 4905, 5175, 6279, 6825, 6867, 7085, 7245, 7475, 7521, 8175, 9919, 10465, 11445, 12075, 12535, 12753, 13455, 17549, 18837, 19075, 20475, 21255, 22425, 22563, 24525, 29757, 31395, 32591, 34335, 35425, 36225, 37605, 49595, 52325, 52647, 57225, 62675, 63765, 67275, 87745, 89271, 94185, 97773, 106275, 112815, 148785, 156975, 157941, 162955, 171675, 188025, 228137, 247975, 263235, 293319, 318825, 438725, 446355, 470925, 488865, 564075, 684411, 743925, 789705, 814775, 1140685, 1316175, 1466595, 2053233, 2231775, 2444325, 3422055, 3948525, 5703425, 7332975, 10266165, 17110275, 51330825]

約数ペア:

[(1, 51330825), (3, 17110275), (5, 10266165), (7, 7332975), (9, 5703425), (13, 3948525), (15, 3422055), (21, 2444325), (23, 2231775), (25, 2053233), (35, 1466595), (39, 1316175), (45, 1140685), (63, 814775), (65, 789705), (69, 743925), (75, 684411), (91, 564075), (105, 488865), (109, 470925), (115, 446355), (117, 438725), (161, 318825), (175, 293319), (195, 263235), (207, 247975), (225, 228137), (273, 188025), (299, 171675), (315, 162955), (325, 157941), (327, 156975), (345, 148785), (455, 112815), (483, 106275), (525, 97773), (545, 94185), (575, 89271), (585, 87745), (763, 67275), (805, 63765), (819, 62675), (897, 57225), (975, 52647), (981, 52325), (1035, 49595), (1365, 37605), (1417, 36225), (1449, 35425), (1495, 34335), (1575, 32591), (1635, 31395), (1725, 29757), (2093, 24525), (2275, 22563), (2289, 22425), (2415, 21255), (2507, 20475), (2691, 19075), (2725, 18837), (2925, 17549), (3815, 13455), (4025, 12753), (4095, 12535), (4251, 12075), (4485, 11445), (4905, 10465), (5175, 9919), (6279, 8175), (6825, 7521), (6867, 7475), (7085, 7245)]