291211443

素因数分解:

$3^6\times {\mathrm{181}}^1\times {\mathrm{2207}}^1$

素因数の和:2406

約数の個数: 28

約数和(自身を含む): 439228608

約数和(自身を除く): 148017165

約数列:

[1, 3, 9, 27, 81, 181, 243, 543, 729, 1629, 2207, 4887, 6621, 14661, 19863, 43983, 59589, 131949, 178767, 399467, 536301, 1198401, 1608903, 3595203, 10785609, 32356827, 97070481, 291211443]

約数ペア:

[(1, 291211443), (3, 97070481), (9, 32356827), (27, 10785609), (81, 3595203), (181, 1608903), (243, 1198401), (543, 536301), (729, 399467), (1629, 178767), (2207, 131949), (4887, 59589), (6621, 43983), (14661, 19863)]