27894489

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{69911}}^1$

素因数の和:69940

約数の個数: 16

約数和(自身を含む): 44743680

約数和(自身を除く): 16849191

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 69911, 209733, 489377, 1328309, 1468131, 3984927, 9298163, 27894489]

約数ペア:

[(1, 27894489), (3, 9298163), (7, 3984927), (19, 1468131), (21, 1328309), (57, 489377), (133, 209733), (399, 69911)]