19701285

素因数分解:

$3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{9587}}^1$

素因数の和:9732

約数の個数: 16

約数和(自身を含む): 31755456

約数和(自身を除く): 12054171

約数列:

[1, 3, 5, 15, 137, 411, 685, 2055, 9587, 28761, 47935, 143805, 1313419, 3940257, 6567095, 19701285]

約数ペア:

[(1, 19701285), (3, 6567095), (5, 3940257), (15, 1313419), (137, 143805), (411, 47935), (685, 28761), (2055, 9587)]