1999565541

素因数分解:

$3^3\times {\mathrm{439}}^1\times {\mathrm{168697}}^1$

素因数の和:169145

約数の個数: 16

約数和(自身を含む): 2969084800

約数和(自身を除く): 969519259

約数列:

[1, 3, 9, 27, 439, 1317, 3951, 11853, 168697, 506091, 1518273, 4554819, 74057983, 222173949, 666521847, 1999565541]

約数ペア:

[(1, 1999565541), (3, 666521847), (9, 222173949), (27, 74057983), (439, 4554819), (1317, 1518273), (3951, 506091), (11853, 168697)]