128512005

素因数分解:

$3^1\times 5^1\times {\mathrm{2203}}^1\times {\mathrm{3889}}^1$

素因数の和:6100

約数の個数: 16

約数和(自身を含む): 205765440

約数和(自身を除く): 77253435

約数列:

[1, 3, 5, 15, 2203, 3889, 6609, 11015, 11667, 19445, 33045, 58335, 8567467, 25702401, 42837335, 128512005]

約数ペア:

[(1, 128512005), (3, 42837335), (5, 25702401), (15, 8567467), (2203, 58335), (3889, 33045), (6609, 19445), (11015, 11667)]