1262781

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:313

約数の個数: 24

約数和(自身を含む): 2018016

約数和(自身を除く): 755235

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 251, 387, 559, 753, 1677, 2259, 3263, 5031, 9789, 10793, 29367, 32379, 97137, 140309, 420927, 1262781]

約数ペア:

[(1, 1262781), (3, 420927), (9, 140309), (13, 97137), (39, 32379), (43, 29367), (117, 10793), (129, 9789), (251, 5031), (387, 3263), (559, 2259), (753, 1677)]