25530309

素因数分解:

$3^6\times 7^1\times {\mathrm{5003}}^1$

素因数の和:5028

約数の個数: 28

約数和(自身を含む): 43754976

約数和(自身を除く): 18224667

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 5003, 5103, 15009, 35021, 45027, 105063, 135081, 315189, 405243, 945567, 1215729, 2836701, 3647187, 8510103, 25530309]

約数ペア:

[(1, 25530309), (3, 8510103), (7, 3647187), (9, 2836701), (21, 1215729), (27, 945567), (63, 405243), (81, 315189), (189, 135081), (243, 105063), (567, 45027), (729, 35021), (1701, 15009), (5003, 5103)]