31243887

素因数分解:

$3^4\times {\mathrm{499}}^1\times {\mathrm{773}}^1$

素因数の和:1284

約数の個数: 20

約数和(自身を含む): 46827000

約数和(自身を除く): 15583113

約数列:

[1, 3, 9, 27, 81, 499, 773, 1497, 2319, 4491, 6957, 13473, 20871, 40419, 62613, 385727, 1157181, 3471543, 10414629, 31243887]

約数ペア:

[(1, 31243887), (3, 10414629), (9, 3471543), (27, 1157181), (81, 385727), (499, 62613), (773, 40419), (1497, 20871), (2319, 13473), (4491, 6957)]