15831531

素因数分解:

$3^4\times {\mathrm{241}}^1\times {\mathrm{811}}^1$

素因数の和:1064

約数の個数: 20

約数和(自身を含む): 23776984

約数和(自身を除く): 7945453

約数列:

[1, 3, 9, 27, 81, 241, 723, 811, 2169, 2433, 6507, 7299, 19521, 21897, 65691, 195451, 586353, 1759059, 5277177, 15831531]

約数ペア:

[(1, 15831531), (3, 5277177), (9, 1759059), (27, 586353), (81, 195451), (241, 65691), (723, 21897), (811, 19521), (2169, 7299), (2433, 6507)]