250047

素因数分解:

$3^6\times 7^3$

素因数の和:39

約数の個数: 28

約数和(自身を含む): 437200

約数和(自身を除く): 187153

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 243, 343, 441, 567, 729, 1029, 1323, 1701, 3087, 3969, 5103, 9261, 11907, 27783, 35721, 83349, 250047]

約数ペア:

[(1, 250047), (3, 83349), (7, 35721), (9, 27783), (21, 11907), (27, 9261), (49, 5103), (63, 3969), (81, 3087), (147, 1701), (189, 1323), (243, 1029), (343, 729), (441, 567)]