40649817

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{1621}}^1$

素因数の和:2280

約数の個数: 16

約数和(自身を含む): 58495808

約数和(自身を除く): 17845991

約数列:

[1, 3, 13, 39, 643, 1621, 1929, 4863, 8359, 21073, 25077, 63219, 1042303, 3126909, 13549939, 40649817]

約数ペア:

[(1, 40649817), (3, 13549939), (13, 3126909), (39, 1042303), (643, 63219), (1621, 25077), (1929, 21073), (4863, 8359)]