12252303

素因数分解:

$3^6\times 7^5$

素因数の和:53

約数の個数: 42

約数和(自身を含む): 21431544

約数和(自身を除く): 9179241

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 243, 343, 441, 567, 729, 1029, 1323, 1701, 2401, 3087, 3969, 5103, 7203, 9261, 11907, 16807, 21609, 27783, 35721, 50421, 64827, 83349, 151263, 194481, 250047, 453789, 583443, 1361367, 1750329, 4084101, 12252303]

約数ペア:

[(1, 12252303), (3, 4084101), (7, 1750329), (9, 1361367), (21, 583443), (27, 453789), (49, 250047), (63, 194481), (81, 151263), (147, 83349), (189, 64827), (243, 50421), (343, 35721), (441, 27783), (567, 21609), (729, 16807), (1029, 11907), (1323, 9261), (1701, 7203), (2401, 5103), (3087, 3969)]