179693721

素因数分解:

$3^4\times {\mathrm{137}}^1\times {\mathrm{16193}}^1$

素因数の和:16342

約数の個数: 20

約数和(自身を含む): 270407412

約数和(自身を除く): 90713691

約数列:

[1, 3, 9, 27, 81, 137, 411, 1233, 3699, 11097, 16193, 48579, 145737, 437211, 1311633, 2218441, 6655323, 19965969, 59897907, 179693721]

約数ペア:

[(1, 179693721), (3, 59897907), (9, 19965969), (27, 6655323), (81, 2218441), (137, 1311633), (411, 437211), (1233, 145737), (3699, 48579), (11097, 16193)]