12813471

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1$

素因数の和:293

約数の個数: 40

約数和(自身を含む): 21274704

約数和(自身を除く): 8461233

約数列:

[1, 3, 9, 11, 27, 33, 73, 81, 99, 197, 219, 297, 591, 657, 803, 891, 1773, 1971, 2167, 2409, 5319, 5913, 6501, 7227, 14381, 15957, 19503, 21681, 43143, 58509, 65043, 129429, 158191, 175527, 388287, 474573, 1164861, 1423719, 4271157, 12813471]

約数ペア:

[(1, 12813471), (3, 4271157), (9, 1423719), (11, 1164861), (27, 474573), (33, 388287), (73, 175527), (81, 158191), (99, 129429), (197, 65043), (219, 58509), (297, 43143), (591, 21681), (657, 19503), (803, 15957), (891, 14381), (1773, 7227), (1971, 6501), (2167, 5913), (2409, 5319)]