40504779

素因数分解:

$3^4\times 7^1\times {\mathrm{71437}}^1$

素因数の和:71456

約数の個数: 20

約数和(自身を含む): 69151984

約数和(自身を除く): 28647205

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 71437, 214311, 500059, 642933, 1500177, 1928799, 4500531, 5786397, 13501593, 40504779]

約数ペア:

[(1, 40504779), (3, 13501593), (7, 5786397), (9, 4500531), (21, 1928799), (27, 1500177), (63, 642933), (81, 500059), (189, 214311), (567, 71437)]