157788909

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{246931}}^1$

素因数の和:247008

約数の個数: 12

約数和(自身を含む): 231128352

約数和(自身を除く): 73339443

約数列:

[1, 3, 9, 71, 213, 639, 246931, 740793, 2222379, 17532101, 52596303, 157788909]

約数ペア:

[(1, 157788909), (3, 52596303), (9, 17532101), (71, 2222379), (213, 740793), (639, 246931)]