28449993

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:174

約数の個数: 64

約数和(自身を含む): 48771072

約数和(自身を除く): 20321079

約数列:

[1, 3, 11, 13, 17, 33, 39, 47, 51, 83, 141, 143, 187, 221, 249, 429, 517, 561, 611, 663, 799, 913, 1079, 1411, 1551, 1833, 2397, 2431, 2739, 3237, 3901, 4233, 6721, 7293, 8789, 10387, 11703, 11869, 15521, 18343, 20163, 26367, 31161, 35607, 42911, 46563, 50713, 55029, 66317, 114257, 128733, 152139, 198951, 201773, 342771, 557843, 605319, 729487, 862121, 1673529, 2188461, 2586363, 9483331, 28449993]

約数ペア:

[(1, 28449993), (3, 9483331), (11, 2586363), (13, 2188461), (17, 1673529), (33, 862121), (39, 729487), (47, 605319), (51, 557843), (83, 342771), (141, 201773), (143, 198951), (187, 152139), (221, 128733), (249, 114257), (429, 66317), (517, 55029), (561, 50713), (611, 46563), (663, 42911), (799, 35607), (913, 31161), (1079, 26367), (1411, 20163), (1551, 18343), (1833, 15521), (2397, 11869), (2431, 11703), (2739, 10387), (3237, 8789), (3901, 7293), (4233, 6721)]