239968251

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{68897}}^1$

素因数の和:68952

約数の個数: 20

約数和(自身を含む): 366812952

約数和(自身を除く): 126844701

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 68897, 206691, 620073, 1860219, 2962571, 5580657, 8887713, 26663139, 79989417, 239968251]

約数ペア:

[(1, 239968251), (3, 79989417), (9, 26663139), (27, 8887713), (43, 5580657), (81, 2962571), (129, 1860219), (387, 620073), (1161, 206691), (3483, 68897)]