12739221

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{727}}^1$

素因数の和:806

約数の個数: 32

約数和(自身を含む): 20966400

約数和(自身を除く): 8227179

約数列:

[1, 3, 9, 11, 27, 33, 59, 99, 177, 297, 531, 649, 727, 1593, 1947, 2181, 5841, 6543, 7997, 17523, 19629, 23991, 42893, 71973, 128679, 215919, 386037, 471823, 1158111, 1415469, 4246407, 12739221]

約数ペア:

[(1, 12739221), (3, 4246407), (9, 1415469), (11, 1158111), (27, 471823), (33, 386037), (59, 215919), (99, 128679), (177, 71973), (297, 42893), (531, 23991), (649, 19629), (727, 17523), (1593, 7997), (1947, 6543), (2181, 5841)]