28105866

素因数分解:

$2^1\times 3^6\times {\mathrm{37}}^1\times {\mathrm{521}}^1$

素因数の和:578

約数の個数: 56

約数和(自身を含む): 65042244

約数和(自身を除く): 36936378

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 81, 111, 162, 222, 243, 333, 486, 521, 666, 729, 999, 1042, 1458, 1563, 1998, 2997, 3126, 4689, 5994, 8991, 9378, 14067, 17982, 19277, 26973, 28134, 38554, 42201, 53946, 57831, 84402, 115662, 126603, 173493, 253206, 346986, 379809, 520479, 759618, 1040958, 1561437, 3122874, 4684311, 9368622, 14052933, 28105866]

約数ペア:

[(1, 28105866), (2, 14052933), (3, 9368622), (6, 4684311), (9, 3122874), (18, 1561437), (27, 1040958), (37, 759618), (54, 520479), (74, 379809), (81, 346986), (111, 253206), (162, 173493), (222, 126603), (243, 115662), (333, 84402), (486, 57831), (521, 53946), (666, 42201), (729, 38554), (999, 28134), (1042, 26973), (1458, 19277), (1563, 17982), (1998, 14067), (2997, 9378), (3126, 8991), (4689, 5994)]