4991139

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{1433}}^1$

素因数の和:1488

約数の個数: 20

約数和(自身を含む): 7634616

約数和(自身を除く): 2643477

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 1433, 3483, 4299, 12897, 38691, 61619, 116073, 184857, 554571, 1663713, 4991139]

約数ペア:

[(1, 4991139), (3, 1663713), (9, 554571), (27, 184857), (43, 116073), (81, 61619), (129, 38691), (387, 12897), (1161, 4299), (1433, 3483)]