278375130009

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{435641831}}^1$

素因数の和:435641908

約数の個数: 12

約数和(自身を含む): 407760754752

約数和(自身を除く): 129385624743

約数列:

[1, 3, 9, 71, 213, 639, 435641831, 1306925493, 3920776479, 30930570001, 92791710003, 278375130009]

約数ペア:

[(1, 278375130009), (3, 92791710003), (9, 30930570001), (71, 3920776479), (213, 1306925493), (639, 435641831)]