2531991

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1$

素因数の和:231

約数の個数: 32

約数和(自身を含む): 4290048

約数和(自身を除く): 1758057

約数列:

[1, 3, 7, 11, 21, 33, 77, 97, 113, 231, 291, 339, 679, 791, 1067, 1243, 2037, 2373, 3201, 3729, 7469, 8701, 10961, 22407, 26103, 32883, 76727, 120571, 230181, 361713, 843997, 2531991]

約数ペア:

[(1, 2531991), (3, 843997), (7, 361713), (11, 230181), (21, 120571), (33, 76727), (77, 32883), (97, 26103), (113, 22407), (231, 10961), (291, 8701), (339, 7469), (679, 3729), (791, 3201), (1067, 2373), (1243, 2037)]