20944143

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{727}}^1$

素因数の和:844

約数の個数: 32

約数和(自身を含む): 34245120

約数和(自身を除く): 13300977

約数列:

[1, 3, 9, 11, 27, 33, 97, 99, 291, 297, 727, 873, 1067, 2181, 2619, 3201, 6543, 7997, 9603, 19629, 23991, 28809, 70519, 71973, 211557, 215919, 634671, 775709, 1904013, 2327127, 6981381, 20944143]

約数ペア:

[(1, 20944143), (3, 6981381), (9, 2327127), (11, 1904013), (27, 775709), (33, 634671), (97, 215919), (99, 211557), (291, 71973), (297, 70519), (727, 28809), (873, 23991), (1067, 19629), (2181, 9603), (2619, 7997), (3201, 6543)]