31998885

素因数分解:

$3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{19937}}^1$

素因数の和:20052

約数の個数: 16

約数和(自身を含む): 51679296

約数和(自身を除く): 19680411

約数列:

[1, 3, 5, 15, 107, 321, 535, 1605, 19937, 59811, 99685, 299055, 2133259, 6399777, 10666295, 31998885]

約数ペア:

[(1, 31998885), (3, 10666295), (5, 6399777), (15, 2133259), (107, 299055), (321, 99685), (535, 59811), (1605, 19937)]