128501571

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{557}}^1\times {\mathrm{6991}}^1$

素因数の和:7562

約数の個数: 16

約数和(自身を含む): 187273728

約数和(自身を除く): 58772157

約数列:

[1, 3, 11, 33, 557, 1671, 6127, 6991, 18381, 20973, 76901, 230703, 3893987, 11681961, 42833857, 128501571]

約数ペア:

[(1, 128501571), (3, 42833857), (11, 11681961), (33, 3893987), (557, 230703), (1671, 76901), (6127, 20973), (6991, 18381)]