2647377

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{1381}}^1$

素因数の和:1461

約数の個数: 16

約数和(自身を含む): 3980160

約数和(自身を除く): 1332783

約数列:

[1, 3, 9, 27, 71, 213, 639, 1381, 1917, 4143, 12429, 37287, 98051, 294153, 882459, 2647377]

約数ペア:

[(1, 2647377), (3, 882459), (9, 294153), (27, 98051), (71, 37287), (213, 12429), (639, 4143), (1381, 1917)]