205952913

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{743}}^1\times {\mathrm{1621}}^1$

素因数の和:2389

約数の個数: 24

約数和(自身を含む): 313759680

約数和(自身を除く): 107806767

約数列:

[1, 3, 9, 19, 57, 171, 743, 1621, 2229, 4863, 6687, 14117, 14589, 30799, 42351, 92397, 127053, 277191, 1204403, 3613209, 10839627, 22883657, 68650971, 205952913]

約数ペア:

[(1, 205952913), (3, 68650971), (9, 22883657), (19, 10839627), (57, 3613209), (171, 1204403), (743, 277191), (1621, 127053), (2229, 92397), (4863, 42351), (6687, 30799), (14117, 14589)]