205821735

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{809}}^1\times {\mathrm{2423}}^1$

素因数の和:3247

約数の個数: 32

約数和(自身を含む): 376980480

約数和(自身を除く): 171158745

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 809, 2423, 2427, 4045, 5663, 7269, 12115, 12135, 16961, 16989, 28315, 36345, 50883, 84805, 84945, 254415, 1960207, 5880621, 9801035, 13721449, 29403105, 41164347, 68607245, 205821735]

約数ペア:

[(1, 205821735), (3, 68607245), (5, 41164347), (7, 29403105), (15, 13721449), (21, 9801035), (35, 5880621), (105, 1960207), (809, 254415), (2423, 84945), (2427, 84805), (4045, 50883), (5663, 36345), (7269, 28315), (12115, 16989), (12135, 16961)]