81349845

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{1213}}^1$

素因数の和:1501

約数の個数: 32

約数和(自身を含む): 138454272

約数和(自身を除く): 57104427

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 263, 789, 1213, 1315, 3639, 3945, 4471, 6065, 13413, 18195, 20621, 22355, 61863, 67065, 103105, 309315, 319019, 957057, 1595095, 4785285, 5423323, 16269969, 27116615, 81349845]

約数ペア:

[(1, 81349845), (3, 27116615), (5, 16269969), (15, 5423323), (17, 4785285), (51, 1595095), (85, 957057), (255, 319019), (263, 309315), (789, 103105), (1213, 67065), (1315, 61863), (3639, 22355), (3945, 20621), (4471, 18195), (6065, 13413)]