128840919

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{61091}}^1$

素因数の和:61150

約数の個数: 16

約数和(自身を含む): 185719680

約数和(自身を除く): 56878761

約数列:

[1, 3, 19, 37, 57, 111, 703, 2109, 61091, 183273, 1160729, 2260367, 3482187, 6781101, 42946973, 128840919]

約数ペア:

[(1, 128840919), (3, 42946973), (19, 6781101), (37, 3482187), (57, 2260367), (111, 1160729), (703, 183273), (2109, 61091)]