15405957

素因数分解:

$3^6\times 7^1\times {\mathrm{3019}}^1$

素因数の和:3044

約数の個数: 28

約数和(自身を含む): 26406880

約数和(自身を除く): 11000923

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 3019, 5103, 9057, 21133, 27171, 63399, 81513, 190197, 244539, 570591, 733617, 1711773, 2200851, 5135319, 15405957]

約数ペア:

[(1, 15405957), (3, 5135319), (7, 2200851), (9, 1711773), (21, 733617), (27, 570591), (63, 244539), (81, 190197), (189, 81513), (243, 63399), (567, 27171), (729, 21133), (1701, 9057), (3019, 5103)]