20727927

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{691}}^1$

素因数の和:812

約数の個数: 32

約数和(自身を含む): 33880320

約数和(自身を除く): 13152393

約数列:

[1, 3, 9, 11, 27, 33, 99, 101, 297, 303, 691, 909, 1111, 2073, 2727, 3333, 6219, 7601, 9999, 18657, 22803, 29997, 68409, 69791, 205227, 209373, 628119, 767701, 1884357, 2303103, 6909309, 20727927]

約数ペア:

[(1, 20727927), (3, 6909309), (9, 2303103), (11, 1884357), (27, 767701), (33, 628119), (99, 209373), (101, 205227), (297, 69791), (303, 68409), (691, 29997), (909, 22803), (1111, 18657), (2073, 9999), (2727, 7601), (3333, 6219)]