78147639

素因数分解:

$3^3\times {\mathrm{101}}^1\times {\mathrm{28657}}^1$

素因数の和:28767

約数の個数: 16

約数和(自身を含む): 116924640

約数和(自身を除く): 38777001

約数列:

[1, 3, 9, 27, 101, 303, 909, 2727, 28657, 85971, 257913, 773739, 2894357, 8683071, 26049213, 78147639]

約数ペア:

[(1, 78147639), (3, 26049213), (9, 8683071), (27, 2894357), (101, 773739), (303, 257913), (909, 85971), (2727, 28657)]