120212181

素因数分解:

$3^4\times {\mathrm{401}}^1\times {\mathrm{3701}}^1$

素因数の和:4114

約数の個数: 20

約数和(自身を含む): 180072684

約数和(自身を除く): 59860503

約数列:

[1, 3, 9, 27, 81, 401, 1203, 3609, 3701, 10827, 11103, 32481, 33309, 99927, 299781, 1484101, 4452303, 13356909, 40070727, 120212181]

約数ペア:

[(1, 120212181), (3, 40070727), (9, 13356909), (27, 4452303), (81, 1484101), (401, 299781), (1203, 99927), (3609, 33309), (3701, 32481), (10827, 11103)]