2156502159

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1\times {\mathrm{2593}}^1$

素因数の和:2956

約数の個数: 48

約数和(自身を含む): 3656004352

約数和(自身を除く): 1499502193

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 307, 387, 903, 921, 2149, 2593, 2709, 2763, 6447, 7779, 13201, 18151, 19341, 23337, 39603, 54453, 92407, 111499, 118809, 163359, 277221, 334497, 780493, 796051, 831663, 1003491, 2341479, 2388153, 5572357, 7024437, 7164459, 16717071, 34230193, 50151213, 102690579, 239611351, 308071737, 718834053, 2156502159]

約数ペア:

[(1, 2156502159), (3, 718834053), (7, 308071737), (9, 239611351), (21, 102690579), (43, 50151213), (63, 34230193), (129, 16717071), (301, 7164459), (307, 7024437), (387, 5572357), (903, 2388153), (921, 2341479), (2149, 1003491), (2593, 831663), (2709, 796051), (2763, 780493), (6447, 334497), (7779, 277221), (13201, 163359), (18151, 118809), (19341, 111499), (23337, 92407), (39603, 54453)]