9781739

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{41}}^2$

素因数の和:139

約数の個数: 18

約数和(自身を含む): 11433828

約数和(自身を除く): 1652089

約数列:

[1, 11, 23, 41, 253, 451, 529, 943, 1681, 5819, 10373, 18491, 21689, 38663, 238579, 425293, 889249, 9781739]

約数ペア:

[(1, 9781739), (11, 889249), (23, 425293), (41, 238579), (253, 38663), (451, 21689), (529, 18491), (943, 10373), (1681, 5819)]