12128511681

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{254699}}^1$

素因数の和:254766

約数の個数: 48

約数和(自身を含む): 21138062400

約数和(自身を除く): 9009550719

約数列:

[1, 3, 9, 11, 13, 33, 37, 39, 99, 111, 117, 143, 333, 407, 429, 481, 1221, 1287, 1443, 3663, 4329, 5291, 15873, 47619, 254699, 764097, 2292291, 2801689, 3311087, 8405067, 9423863, 9933261, 25215201, 28271589, 29799783, 36421957, 84814767, 103662493, 109265871, 122510219, 310987479, 327797613, 367530657, 932962437, 1102591971, 1347612409, 4042837227, 12128511681]

約数ペア:

[(1, 12128511681), (3, 4042837227), (9, 1347612409), (11, 1102591971), (13, 932962437), (33, 367530657), (37, 327797613), (39, 310987479), (99, 122510219), (111, 109265871), (117, 103662493), (143, 84814767), (333, 36421957), (407, 29799783), (429, 28271589), (481, 25215201), (1221, 9933261), (1287, 9423863), (1443, 8405067), (3663, 3311087), (4329, 2801689), (5291, 2292291), (15873, 764097), (47619, 254699)]