55550781

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2539}}^1$

素因数の和:2586

約数の個数: 48

約数和(自身を含む): 99852480

約数和(自身を除く): 44301699

約数列:

[1, 3, 9, 11, 13, 17, 33, 39, 51, 99, 117, 143, 153, 187, 221, 429, 561, 663, 1287, 1683, 1989, 2431, 2539, 7293, 7617, 21879, 22851, 27929, 33007, 43163, 83787, 99021, 129489, 251361, 297063, 363077, 388467, 474793, 561119, 1089231, 1424379, 1683357, 3267693, 4273137, 5050071, 6172309, 18516927, 55550781]

約数ペア:

[(1, 55550781), (3, 18516927), (9, 6172309), (11, 5050071), (13, 4273137), (17, 3267693), (33, 1683357), (39, 1424379), (51, 1089231), (99, 561119), (117, 474793), (143, 388467), (153, 363077), (187, 297063), (221, 251361), (429, 129489), (561, 99021), (663, 83787), (1287, 43163), (1683, 33007), (1989, 27929), (2431, 22851), (2539, 21879), (7293, 7617)]