388289781

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{1657}}^1$

素因数の和:1943

約数の個数: 40

約数和(自身を含む): 635557824

約数和(自身を除く): 247268043

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 263, 297, 789, 891, 1657, 2367, 2893, 4971, 7101, 8679, 14913, 18227, 21303, 26037, 44739, 54681, 78111, 134217, 164043, 234333, 435791, 492129, 1307373, 1476387, 3922119, 4793701, 11766357, 14381103, 35299071, 43143309, 129429927, 388289781]

約数ペア:

[(1, 388289781), (3, 129429927), (9, 43143309), (11, 35299071), (27, 14381103), (33, 11766357), (81, 4793701), (99, 3922119), (263, 1476387), (297, 1307373), (789, 492129), (891, 435791), (1657, 234333), (2367, 164043), (2893, 134217), (4971, 78111), (7101, 54681), (8679, 44739), (14913, 26037), (18227, 21303)]