31723245

素因数分解:

$3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:156

約数の個数: 80

約数和(自身を含む): 61245360

約数和(自身を除く): 29522115

約数列:

[1, 3, 5, 9, 15, 27, 29, 37, 45, 73, 81, 87, 111, 135, 145, 185, 219, 261, 333, 365, 405, 435, 555, 657, 783, 999, 1073, 1095, 1305, 1665, 1971, 2117, 2349, 2701, 2997, 3219, 3285, 3915, 4995, 5365, 5913, 6351, 8103, 9657, 9855, 10585, 11745, 13505, 14985, 16095, 19053, 24309, 28971, 29565, 31755, 40515, 48285, 57159, 72927, 78329, 86913, 95265, 121545, 144855, 171477, 218781, 234987, 285795, 364635, 391645, 434565, 704961, 857385, 1093905, 1174935, 2114883, 3524805, 6344649, 10574415, 31723245]

約数ペア:

[(1, 31723245), (3, 10574415), (5, 6344649), (9, 3524805), (15, 2114883), (27, 1174935), (29, 1093905), (37, 857385), (45, 704961), (73, 434565), (81, 391645), (87, 364635), (111, 285795), (135, 234987), (145, 218781), (185, 171477), (219, 144855), (261, 121545), (333, 95265), (365, 86913), (405, 78329), (435, 72927), (555, 57159), (657, 48285), (783, 40515), (999, 31755), (1073, 29565), (1095, 28971), (1305, 24309), (1665, 19053), (1971, 16095), (2117, 14985), (2349, 13505), (2701, 11745), (2997, 10585), (3219, 9855), (3285, 9657), (3915, 8103), (4995, 6351), (5365, 5913)]