639080535

素因数分解:

$3^1\times 5^1\times {\mathrm{2137}}^1\times {\mathrm{19937}}^1$

素因数の和:22082

約数の個数: 16

約数和(自身を含む): 1023058656

約数和(自身を除く): 383978121

約数列:

[1, 3, 5, 15, 2137, 6411, 10685, 19937, 32055, 59811, 99685, 299055, 42605369, 127816107, 213026845, 639080535]

約数ペア:

[(1, 639080535), (3, 213026845), (5, 127816107), (15, 42605369), (2137, 299055), (6411, 99685), (10685, 59811), (19937, 32055)]