40664997

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{26423}}^1$

素因数の和:26454

約数の個数: 20

約数和(自身を含む): 63946080

約数和(自身を除く): 23281083

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 26423, 79269, 237807, 502037, 713421, 1506111, 2140263, 4518333, 13554999, 40664997]

約数ペア:

[(1, 40664997), (3, 13554999), (9, 4518333), (19, 2140263), (27, 1506111), (57, 713421), (81, 502037), (171, 237807), (513, 79269), (1539, 26423)]