81856125

素因数分解:

$3^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1$

素因数の和:256

約数の個数: 96

約数和(自身を含む): 165241440

約数和(自身を除く): 83385315

約数列:

[1, 3, 5, 9, 13, 15, 25, 29, 39, 45, 65, 75, 87, 117, 125, 145, 193, 195, 225, 261, 325, 375, 377, 435, 579, 585, 725, 965, 975, 1125, 1131, 1305, 1625, 1737, 1885, 2175, 2509, 2895, 2925, 3393, 3625, 4825, 4875, 5597, 5655, 6525, 7527, 8685, 9425, 10875, 12545, 14475, 14625, 16791, 16965, 22581, 24125, 27985, 28275, 32625, 37635, 43425, 47125, 50373, 62725, 72375, 72761, 83955, 84825, 112905, 139925, 141375, 188175, 217125, 218283, 251865, 313625, 363805, 419775, 424125, 564525, 654849, 699625, 940875, 1091415, 1259325, 1819025, 2098875, 2822625, 3274245, 5457075, 6296625, 9095125, 16371225, 27285375, 81856125]

約数ペア:

[(1, 81856125), (3, 27285375), (5, 16371225), (9, 9095125), (13, 6296625), (15, 5457075), (25, 3274245), (29, 2822625), (39, 2098875), (45, 1819025), (65, 1259325), (75, 1091415), (87, 940875), (117, 699625), (125, 654849), (145, 564525), (193, 424125), (195, 419775), (225, 363805), (261, 313625), (325, 251865), (375, 218283), (377, 217125), (435, 188175), (579, 141375), (585, 139925), (725, 112905), (965, 84825), (975, 83955), (1125, 72761), (1131, 72375), (1305, 62725), (1625, 50373), (1737, 47125), (1885, 43425), (2175, 37635), (2509, 32625), (2895, 28275), (2925, 27985), (3393, 24125), (3625, 22581), (4825, 16965), (4875, 16791), (5597, 14625), (5655, 14475), (6525, 12545), (7527, 10875), (8685, 9425)]