12455289

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1997}}^1$

素因数の和:2027

約数の個数: 40

約数和(自身を含む): 23208768

約数和(自身を除く): 10753479

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 81, 99, 189, 231, 297, 567, 693, 891, 1997, 2079, 5991, 6237, 13979, 17973, 21967, 41937, 53919, 65901, 125811, 153769, 161757, 197703, 377433, 461307, 593109, 1132299, 1383921, 1779327, 4151763, 12455289]

約数ペア:

[(1, 12455289), (3, 4151763), (7, 1779327), (9, 1383921), (11, 1132299), (21, 593109), (27, 461307), (33, 377433), (63, 197703), (77, 161757), (81, 153769), (99, 125811), (189, 65901), (231, 53919), (297, 41937), (567, 21967), (693, 17973), (891, 13979), (1997, 6237), (2079, 5991)]