1991763

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{1039}}^1$

素因数の和:1119

約数の個数: 16

約数和(自身を含む): 2995200

約数和(自身を除く): 1003437

約数列:

[1, 3, 9, 27, 71, 213, 639, 1039, 1917, 3117, 9351, 28053, 73769, 221307, 663921, 1991763]

約数ペア:

[(1, 1991763), (3, 663921), (9, 221307), (27, 73769), (71, 28053), (213, 9351), (639, 3117), (1039, 1917)]