156678381

素因数分解:

$3^5\times {\mathrm{644767}}^1$

素因数の和:644782

約数の個数: 12

約数和(自身を含む): 234695552

約数和(自身を除く): 78017171

約数列:

[1, 3, 9, 27, 81, 243, 644767, 1934301, 5802903, 17408709, 52226127, 156678381]

約数ペア:

[(1, 156678381), (3, 52226127), (9, 17408709), (27, 5802903), (81, 1934301), (243, 644767)]