278610057

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{863}}^1\times {\mathrm{1087}}^1$

素因数の和:1970

約数の個数: 32

約数和(自身を含む): 451215360

約数和(自身を除く): 172605303

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 863, 1087, 2589, 3261, 7767, 9493, 9783, 11957, 23301, 28479, 29349, 35871, 85437, 107613, 256311, 322839, 938081, 2814243, 8442729, 10318891, 25328187, 30956673, 92870019, 278610057]

約数ペア:

[(1, 278610057), (3, 92870019), (9, 30956673), (11, 25328187), (27, 10318891), (33, 8442729), (99, 2814243), (297, 938081), (863, 322839), (1087, 256311), (2589, 107613), (3261, 85437), (7767, 35871), (9493, 29349), (9783, 28479), (11957, 23301)]