18927027

素因数分解:

$3^6\times 7^1\times {\mathrm{3709}}^1$

素因数の和:3734

約数の個数: 28

約数和(自身を含む): 32440240

約数和(自身を除く): 13513213

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 3709, 5103, 11127, 25963, 33381, 77889, 100143, 233667, 300429, 701001, 901287, 2103003, 2703861, 6309009, 18927027]

約数ペア:

[(1, 18927027), (3, 6309009), (7, 2703861), (9, 2103003), (21, 901287), (27, 701001), (63, 300429), (81, 233667), (189, 100143), (243, 77889), (567, 33381), (729, 25963), (1701, 11127), (3709, 5103)]