677788479

素因数分解:

$3^7\times {\mathrm{79}}^1\times {\mathrm{3923}}^1$

素因数の和:4023

約数の個数: 32

約数和(自身を含む): 1029657600

約数和(自身を除く): 351869121

約数列:

[1, 3, 9, 27, 79, 81, 237, 243, 711, 729, 2133, 2187, 3923, 6399, 11769, 19197, 35307, 57591, 105921, 172773, 309917, 317763, 929751, 953289, 2789253, 2859867, 8367759, 8579601, 25103277, 75309831, 225929493, 677788479]

約数ペア:

[(1, 677788479), (3, 225929493), (9, 75309831), (27, 25103277), (79, 8579601), (81, 8367759), (237, 2859867), (243, 2789253), (711, 953289), (729, 929751), (2133, 317763), (2187, 309917), (3923, 172773), (6399, 105921), (11769, 57591), (19197, 35307)]