261010269

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{247873}}^1$

素因数の和:247898

約数の個数: 20

約数和(自身を含む): 419898556

約数和(自身を除く): 158888287

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 247873, 743619, 2230857, 3222349, 6692571, 9667047, 20077713, 29001141, 87003423, 261010269]

約数ペア:

[(1, 261010269), (3, 87003423), (9, 29001141), (13, 20077713), (27, 9667047), (39, 6692571), (81, 3222349), (117, 2230857), (351, 743619), (1053, 247873)]