81003945

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{2467}}^1$

素因数の和:2685

約数の個数: 32

約数和(自身を含む): 142156800

約数和(自身を除く): 61152855

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 199, 597, 995, 2189, 2467, 2985, 6567, 7401, 10945, 12335, 27137, 32835, 37005, 81411, 135685, 407055, 490933, 1472799, 2454665, 5400263, 7363995, 16200789, 27001315, 81003945]

約数ペア:

[(1, 81003945), (3, 27001315), (5, 16200789), (11, 7363995), (15, 5400263), (33, 2454665), (55, 1472799), (165, 490933), (199, 407055), (597, 135685), (995, 81411), (2189, 37005), (2467, 32835), (2985, 27137), (6567, 12335), (7401, 10945)]