81917445

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{1433}}^1$

素因数の和:1581

約数の個数: 32

約数和(自身を含む): 136012032

約数和(自身を除く): 54094587

約数列:

[1, 3, 5, 15, 37, 103, 111, 185, 309, 515, 555, 1433, 1545, 3811, 4299, 7165, 11433, 19055, 21495, 53021, 57165, 147599, 159063, 265105, 442797, 737995, 795315, 2213985, 5461163, 16383489, 27305815, 81917445]

約数ペア:

[(1, 81917445), (3, 27305815), (5, 16383489), (15, 5461163), (37, 2213985), (103, 795315), (111, 737995), (185, 442797), (309, 265105), (515, 159063), (555, 147599), (1433, 57165), (1545, 53021), (3811, 21495), (4299, 19055), (7165, 11433)]