81206415

素因数分解:

$3^3\times 5^1\times {\mathrm{293}}^1\times {\mathrm{2053}}^1$

素因数の和:2360

約数の個数: 32

約数和(自身を含む): 144930240

約数和(自身を除く): 63723825

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 293, 879, 1465, 2053, 2637, 4395, 6159, 7911, 10265, 13185, 18477, 30795, 39555, 55431, 92385, 277155, 601529, 1804587, 3007645, 5413761, 9022935, 16241283, 27068805, 81206415]

約数ペア:

[(1, 81206415), (3, 27068805), (5, 16241283), (9, 9022935), (15, 5413761), (27, 3007645), (45, 1804587), (135, 601529), (293, 277155), (879, 92385), (1465, 55431), (2053, 39555), (2637, 30795), (4395, 18477), (6159, 13185), (7911, 10265)]