13139811

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1787}}^1$

素因数の和:1855

約数の個数: 24

約数和(自身を含む): 20454720

約数和(自身を除く): 7314909

約数列:

[1, 3, 9, 19, 43, 57, 129, 171, 387, 817, 1787, 2451, 5361, 7353, 16083, 33953, 76841, 101859, 230523, 305577, 691569, 1459979, 4379937, 13139811]

約数ペア:

[(1, 13139811), (3, 4379937), (9, 1459979), (19, 691569), (43, 305577), (57, 230523), (129, 101859), (171, 76841), (387, 33953), (817, 16083), (1787, 7353), (2451, 5361)]