2005771257

素因数分解:

$3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{539621}}^1$

素因数の和:539693

約数の個数: 24

約数和(自身を含む): 3367241280

約数和(自身を除く): 1361470023

約数列:

[1, 3, 7, 9, 21, 59, 63, 177, 413, 531, 1239, 3717, 539621, 1618863, 3777347, 4856589, 11332041, 31837639, 33996123, 95512917, 222863473, 286538751, 668590419, 2005771257]

約数ペア:

[(1, 2005771257), (3, 668590419), (7, 286538751), (9, 222863473), (21, 95512917), (59, 33996123), (63, 31837639), (177, 11332041), (413, 4856589), (531, 3777347), (1239, 1618863), (3717, 539621)]