263721121881

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{887}}^1\times {\mathrm{488207}}^1$

素因数の和:489133

約数の個数: 32

約数和(自身を含む): 416187555840

約数和(自身を除く): 152466433959

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 887, 2661, 6209, 18627, 25723, 77169, 180061, 488207, 540183, 1464621, 3417449, 10252347, 14158003, 42474009, 99106021, 297318063, 433039609, 1299118827, 3031277263, 9093831789, 12558148661, 37674445983, 87907040627, 263721121881]

約数ペア:

[(1, 263721121881), (3, 87907040627), (7, 37674445983), (21, 12558148661), (29, 9093831789), (87, 3031277263), (203, 1299118827), (609, 433039609), (887, 297318063), (2661, 99106021), (6209, 42474009), (18627, 14158003), (25723, 10252347), (77169, 3417449), (180061, 1464621), (488207, 540183)]