1242927

素因数分解:

$3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1$

素因数の和:303

約数の個数: 24

約数和(自身を含む): 2082080

約数和(自身を除く): 839153

約数列:

[1, 3, 7, 9, 21, 63, 109, 181, 327, 543, 763, 981, 1267, 1629, 2289, 3801, 6867, 11403, 19729, 59187, 138103, 177561, 414309, 1242927]

約数ペア:

[(1, 1242927), (3, 414309), (7, 177561), (9, 138103), (21, 59187), (63, 19729), (109, 11403), (181, 6867), (327, 3801), (543, 2289), (763, 1629), (981, 1267)]