203752179

素因数分解:

$3^4\times {\mathrm{71}}^2\times {\mathrm{499}}^1$

素因数の和:653

約数の個数: 30

約数和(自身を含む): 309336500

約数和(自身を除く): 105584321

約数列:

[1, 3, 9, 27, 71, 81, 213, 499, 639, 1497, 1917, 4491, 5041, 5751, 13473, 15123, 35429, 40419, 45369, 106287, 136107, 318861, 408321, 956583, 2515459, 2869749, 7546377, 22639131, 67917393, 203752179]

約数ペア:

[(1, 203752179), (3, 67917393), (9, 22639131), (27, 7546377), (71, 2869749), (81, 2515459), (213, 956583), (499, 408321), (639, 318861), (1497, 136107), (1917, 106287), (4491, 45369), (5041, 40419), (5751, 35429), (13473, 15123)]