1520606979

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{1309739}}^1$

素因数の和:1309791

約数の個数: 16

約数和(自身を含む): 2305142400

約数和(自身を除く): 784535421

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 1309739, 3929217, 11787651, 35362953, 56318777, 168956331, 506868993, 1520606979]

約数ペア:

[(1, 1520606979), (3, 506868993), (9, 168956331), (27, 56318777), (43, 35362953), (129, 11787651), (387, 3929217), (1161, 1309739)]