12876129

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{347}}^1$

素因数の和:410

約数の個数: 48

約数和(自身を含む): 23162880

約数和(自身を除く): 10286751

約数列:

[1, 3, 7, 9, 19, 21, 31, 57, 63, 93, 133, 171, 217, 279, 347, 399, 589, 651, 1041, 1197, 1767, 1953, 2429, 3123, 4123, 5301, 6593, 7287, 10757, 12369, 19779, 21861, 32271, 37107, 46151, 59337, 75299, 96813, 138453, 204383, 225897, 415359, 613149, 677691, 1430681, 1839447, 4292043, 12876129]

約数ペア:

[(1, 12876129), (3, 4292043), (7, 1839447), (9, 1430681), (19, 677691), (21, 613149), (31, 415359), (57, 225897), (63, 204383), (93, 138453), (133, 96813), (171, 75299), (217, 59337), (279, 46151), (347, 37107), (399, 32271), (589, 21861), (651, 19779), (1041, 12369), (1197, 10757), (1767, 7287), (1953, 6593), (2429, 5301), (3123, 4123)]