28831539

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{641}}^1$

素因数の和:731

約数の個数: 32

約数和(自身を含む): 44375040

約数和(自身を除く): 15543501

約数列:

[1, 3, 11, 29, 33, 47, 87, 141, 319, 517, 641, 957, 1363, 1551, 1923, 4089, 7051, 14993, 18589, 21153, 30127, 44979, 55767, 90381, 204479, 331397, 613437, 873683, 994191, 2621049, 9610513, 28831539]

約数ペア:

[(1, 28831539), (3, 9610513), (11, 2621049), (29, 994191), (33, 873683), (47, 613437), (87, 331397), (141, 204479), (319, 90381), (517, 55767), (641, 44979), (957, 30127), (1363, 21153), (1551, 18589), (1923, 14993), (4089, 7051)]