2147589

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{661}}^1$

素因数の和:705

約数の個数: 18

約数和(自身を含む): 3278886

約数和(自身を除く): 1131297

約数列:

[1, 3, 9, 19, 57, 171, 361, 661, 1083, 1983, 3249, 5949, 12559, 37677, 113031, 238621, 715863, 2147589]

約数ペア:

[(1, 2147589), (3, 715863), (9, 238621), (19, 113031), (57, 37677), (171, 12559), (361, 5949), (661, 3249), (1083, 1983)]