40294863

素因数分解:

$3^2\times 7^1\times {\mathrm{639601}}^1$

素因数の和:639614

約数の個数: 12

約数和(自身を含む): 66518608

約数和(自身を除く): 26223745

約数列:

[1, 3, 7, 9, 21, 63, 639601, 1918803, 4477207, 5756409, 13431621, 40294863]

約数ペア:

[(1, 40294863), (3, 13431621), (7, 5756409), (9, 4477207), (21, 1918803), (63, 639601)]