30123009

素因数分解:

$3^6\times 7^1\times {\mathrm{5903}}^1$

素因数の和:5928

約数の個数: 28

約数和(自身を含む): 51624576

約数和(自身を除く): 21501567

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 5103, 5903, 17709, 41321, 53127, 123963, 159381, 371889, 478143, 1115667, 1434429, 3347001, 4303287, 10041003, 30123009]

約数ペア:

[(1, 30123009), (3, 10041003), (7, 4303287), (9, 3347001), (21, 1434429), (27, 1115667), (63, 478143), (81, 371889), (189, 159381), (243, 123963), (567, 53127), (729, 41321), (1701, 17709), (5103, 5903)]