78161769

素因数分解:

$3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{9769}}^1$

素因数の和:9909

約数の個数: 24

約数和(自身を含む): 130058240

約数和(自身を除く): 51896471

約数列:

[1, 3, 7, 9, 21, 63, 127, 381, 889, 1143, 2667, 8001, 9769, 29307, 68383, 87921, 205149, 615447, 1240663, 3721989, 8684641, 11165967, 26053923, 78161769]

約数ペア:

[(1, 78161769), (3, 26053923), (7, 11165967), (9, 8684641), (21, 3721989), (63, 1240663), (127, 615447), (381, 205149), (889, 87921), (1143, 68383), (2667, 29307), (8001, 9769)]