279331311

素因数分解:

$3^1\times 7^3\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:233

約数の個数: 64

約数和(自身を含む): 456192000

約数和(自身を除く): 176860689

約数列:

[1, 3, 7, 21, 43, 49, 59, 107, 129, 147, 177, 301, 321, 343, 413, 749, 903, 1029, 1239, 2107, 2247, 2537, 2891, 4601, 5243, 6313, 6321, 7611, 8673, 13803, 14749, 15729, 17759, 18939, 20237, 32207, 36701, 44191, 44247, 53277, 60711, 96621, 110103, 124313, 132573, 225449, 271459, 309337, 372939, 676347, 814377, 870191, 928011, 1578143, 1900213, 2165359, 2610573, 4734429, 5700639, 6496077, 13301491, 39904473, 93110437, 279331311]

約数ペア:

[(1, 279331311), (3, 93110437), (7, 39904473), (21, 13301491), (43, 6496077), (49, 5700639), (59, 4734429), (107, 2610573), (129, 2165359), (147, 1900213), (177, 1578143), (301, 928011), (321, 870191), (343, 814377), (413, 676347), (749, 372939), (903, 309337), (1029, 271459), (1239, 225449), (2107, 132573), (2247, 124313), (2537, 110103), (2891, 96621), (4601, 60711), (5243, 53277), (6313, 44247), (6321, 44191), (7611, 36701), (8673, 32207), (13803, 20237), (14749, 18939), (15729, 17759)]