80790777

素因数分解:

$3^4\times {\mathrm{257}}^1\times {\mathrm{3881}}^1$

素因数の和:4150

約数の個数: 20

約数和(自身を含む): 121188276

約数和(自身を除く): 40397499

約数列:

[1, 3, 9, 27, 81, 257, 771, 2313, 3881, 6939, 11643, 20817, 34929, 104787, 314361, 997417, 2992251, 8976753, 26930259, 80790777]

約数ペア:

[(1, 80790777), (3, 26930259), (9, 8976753), (27, 2992251), (81, 997417), (257, 314361), (771, 104787), (2313, 34929), (3881, 20817), (6939, 11643)]