129219209

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1\times {\mathrm{1511}}^1$

素因数の和:2180

約数の個数: 16

約数和(自身を含む): 155796480

約数和(自身を除く): 26577271

約数列:

[1, 7, 19, 133, 643, 1511, 4501, 10577, 12217, 28709, 85519, 200963, 971573, 6801011, 18459887, 129219209]

約数ペア:

[(1, 129219209), (7, 18459887), (19, 6801011), (133, 971573), (643, 200963), (1511, 85519), (4501, 28709), (10577, 12217)]