39920769

素因数分解:

$3^6\times 7^1\times {\mathrm{7823}}^1$

素因数の和:7848

約数の個数: 28

約数和(自身を含む): 68413056

約数和(自身を除く): 28492287

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 5103, 7823, 23469, 54761, 70407, 164283, 211221, 492849, 633663, 1478547, 1900989, 4435641, 5702967, 13306923, 39920769]

約数ペア:

[(1, 39920769), (3, 13306923), (7, 5702967), (9, 4435641), (21, 1900989), (27, 1478547), (63, 633663), (81, 492849), (189, 211221), (243, 164283), (567, 70407), (729, 54761), (1701, 23469), (5103, 7823)]