78977871

素因数分解:

$3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{9871}}^1$

素因数の和:10011

約数の個数: 24

約数和(自身を含む): 131416064

約数和(自身を除く): 52438193

約数列:

[1, 3, 7, 9, 21, 63, 127, 381, 889, 1143, 2667, 8001, 9871, 29613, 69097, 88839, 207291, 621873, 1253617, 3760851, 8775319, 11282553, 26325957, 78977871]

約数ペア:

[(1, 78977871), (3, 26325957), (7, 11282553), (9, 8775319), (21, 3760851), (63, 1253617), (127, 621873), (381, 207291), (889, 88839), (1143, 69097), (2667, 29613), (8001, 9871)]