77778009

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{709}}^1$

素因数の和:974

約数の個数: 32

約数和(自身を含む): 122688000

約数和(自身を除く): 44909991

約数列:

[1, 3, 9, 17, 27, 51, 153, 239, 459, 709, 717, 2127, 2151, 4063, 6381, 6453, 12053, 12189, 19143, 36159, 36567, 108477, 109701, 169451, 325431, 508353, 1525059, 2880667, 4575177, 8642001, 25926003, 77778009]

約数ペア:

[(1, 77778009), (3, 25926003), (9, 8642001), (17, 4575177), (27, 2880667), (51, 1525059), (153, 508353), (239, 325431), (459, 169451), (709, 109701), (717, 108477), (2127, 36567), (2151, 36159), (4063, 19143), (6381, 12189), (6453, 12053)]