209969253

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{66467}}^1$

素因数の和:66495

約数の個数: 24

約数和(自身を含む): 338720928

約数和(自身を除く): 128751675

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 1053, 3159, 66467, 199401, 598203, 864071, 1794609, 2592213, 5383827, 7776639, 16151481, 23329917, 69989751, 209969253]

約数ペア:

[(1, 209969253), (3, 69989751), (9, 23329917), (13, 16151481), (27, 7776639), (39, 5383827), (81, 2592213), (117, 1794609), (243, 864071), (351, 598203), (1053, 199401), (3159, 66467)]