23780871

素因数分解:

$3^4\times {\mathrm{137}}^1\times {\mathrm{2143}}^1$

素因数の和:2292

約数の個数: 20

約数和(自身を含む): 35800512

約数和(自身を除く): 12019641

約数列:

[1, 3, 9, 27, 81, 137, 411, 1233, 2143, 3699, 6429, 11097, 19287, 57861, 173583, 293591, 880773, 2642319, 7926957, 23780871]

約数ペア:

[(1, 23780871), (3, 7926957), (9, 2642319), (27, 880773), (81, 293591), (137, 173583), (411, 57861), (1233, 19287), (2143, 11097), (3699, 6429)]