157203657

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{31247}}^1$

素因数の和:31309

約数の個数: 24

約数和(自身を含む): 250233984

約数和(自身を除く): 93030327

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 387, 559, 1677, 5031, 31247, 93741, 281223, 406211, 1218633, 1343621, 3655899, 4030863, 12092589, 17467073, 52401219, 157203657]

約数ペア:

[(1, 157203657), (3, 52401219), (9, 17467073), (13, 12092589), (39, 4030863), (43, 3655899), (117, 1343621), (129, 1218633), (387, 406211), (559, 281223), (1677, 93741), (5031, 31247)]