39780027

素因数分解:

$3^2\times 7^1\times {\mathrm{631429}}^1$

素因数の和:631442

約数の個数: 12

約数和(自身を含む): 65668720

約数和(自身を除く): 25888693

約数列:

[1, 3, 7, 9, 21, 63, 631429, 1894287, 4420003, 5682861, 13260009, 39780027]

約数ペア:

[(1, 39780027), (3, 13260009), (7, 5682861), (9, 4420003), (21, 1894287), (63, 631429)]