291217923

素因数分解:

$3^4\times {\mathrm{59}}^1\times {\mathrm{60937}}^1$

素因数の和:61008

約数の個数: 20

約数和(自身を含む): 442409880

約数和(自身を除く): 151191957

約数列:

[1, 3, 9, 27, 59, 81, 177, 531, 1593, 4779, 60937, 182811, 548433, 1645299, 3595283, 4935897, 10785849, 32357547, 97072641, 291217923]

約数ペア:

[(1, 291217923), (3, 97072641), (9, 32357547), (27, 10785849), (59, 4935897), (81, 3595283), (177, 1645299), (531, 548433), (1593, 182811), (4779, 60937)]