80963955

素因数分解:

$3^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1801}}^1$

素因数の和:1858

約数の個数: 48

約数和(自身を含む): 149551584

約数和(自身を除く): 68587629

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 81, 111, 135, 185, 243, 333, 405, 555, 999, 1215, 1665, 1801, 2997, 4995, 5403, 8991, 9005, 14985, 16209, 27015, 44955, 48627, 66637, 81045, 145881, 199911, 243135, 333185, 437643, 599733, 729405, 999555, 1799199, 2188215, 2998665, 5397597, 8995995, 16192791, 26987985, 80963955]

約数ペア:

[(1, 80963955), (3, 26987985), (5, 16192791), (9, 8995995), (15, 5397597), (27, 2998665), (37, 2188215), (45, 1799199), (81, 999555), (111, 729405), (135, 599733), (185, 437643), (243, 333185), (333, 243135), (405, 199911), (555, 145881), (999, 81045), (1215, 66637), (1665, 48627), (1801, 44955), (2997, 27015), (4995, 16209), (5403, 14985), (8991, 9005)]