156688551

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{245209}}^1$

素因数の和:245286

約数の個数: 12

約数和(自身を含む): 229516560

約数和(自身を除く): 72828009

約数列:

[1, 3, 9, 71, 213, 639, 245209, 735627, 2206881, 17409839, 52229517, 156688551]

約数ペア:

[(1, 156688551), (3, 52229517), (9, 17409839), (71, 2206881), (213, 735627), (639, 245209)]