2564777205

素因数分解:

$3^2\times 5^1\times {\mathrm{3209}}^1\times {\mathrm{17761}}^1$

素因数の和:20981

約数の個数: 24

約数和(自身を含む): 4447249560

約数和(自身を除く): 1882472355

約数列:

[1, 3, 5, 9, 15, 45, 3209, 9627, 16045, 17761, 28881, 48135, 53283, 88805, 144405, 159849, 266415, 799245, 56995049, 170985147, 284975245, 512955441, 854925735, 2564777205]

約数ペア:

[(1, 2564777205), (3, 854925735), (5, 512955441), (9, 284975245), (15, 170985147), (45, 56995049), (3209, 799245), (9627, 266415), (16045, 159849), (17761, 144405), (28881, 88805), (48135, 53283)]