2009013981

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{73907}}^1$

素因数の和:73981

約数の個数: 32

約数和(自身を含む): 3128969088

約数和(自身を除く): 1119955107

約数列:

[1, 3, 13, 17, 39, 41, 51, 123, 221, 533, 663, 697, 1599, 2091, 9061, 27183, 73907, 221721, 960791, 1256419, 2882373, 3030187, 3769257, 9090561, 16333447, 39392431, 49000341, 51513179, 118177293, 154539537, 669671327, 2009013981]

約数ペア:

[(1, 2009013981), (3, 669671327), (13, 154539537), (17, 118177293), (39, 51513179), (41, 49000341), (51, 39392431), (123, 16333447), (221, 9090561), (533, 3769257), (663, 3030187), (697, 2882373), (1599, 1256419), (2091, 960791), (9061, 221721), (27183, 73907)]