51921729

素因数分解:

$3^4\times {\mathrm{83}}^1\times {\mathrm{7723}}^1$

素因数の和:7818

約数の個数: 20

約数和(自身を含む): 78506736

約数和(自身を除く): 26585007

約数列:

[1, 3, 9, 27, 81, 83, 249, 747, 2241, 6723, 7723, 23169, 69507, 208521, 625563, 641009, 1923027, 5769081, 17307243, 51921729]

約数ペア:

[(1, 51921729), (3, 17307243), (9, 5769081), (27, 1923027), (81, 641009), (83, 625563), (249, 208521), (747, 69507), (2241, 23169), (6723, 7723)]