71671035

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:208

約数の個数: 64

約数和(自身を含む): 125527680

約数和(自身を除く): 53856645

約数列:

[1, 3, 5, 15, 29, 37, 61, 73, 87, 111, 145, 183, 185, 219, 305, 365, 435, 555, 915, 1073, 1095, 1769, 2117, 2257, 2701, 3219, 4453, 5307, 5365, 6351, 6771, 8103, 8845, 10585, 11285, 13359, 13505, 16095, 22265, 26535, 31755, 33855, 40515, 65453, 66795, 78329, 129137, 164761, 196359, 234987, 327265, 387411, 391645, 494283, 645685, 823805, 981795, 1174935, 1937055, 2471415, 4778069, 14334207, 23890345, 71671035]

約数ペア:

[(1, 71671035), (3, 23890345), (5, 14334207), (15, 4778069), (29, 2471415), (37, 1937055), (61, 1174935), (73, 981795), (87, 823805), (111, 645685), (145, 494283), (183, 391645), (185, 387411), (219, 327265), (305, 234987), (365, 196359), (435, 164761), (555, 129137), (915, 78329), (1073, 66795), (1095, 65453), (1769, 40515), (2117, 33855), (2257, 31755), (2701, 26535), (3219, 22265), (4453, 16095), (5307, 13505), (5365, 13359), (6351, 11285), (6771, 10585), (8103, 8845)]