816305889

素因数分解:

$3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{433}}^1\times {\mathrm{839}}^1$

素因数の和:1389

約数の個数: 32

約数和(自身を含む): 1259919360

約数和(自身を除く): 443613471

約数列:

[1, 3, 7, 21, 107, 321, 433, 749, 839, 1299, 2247, 2517, 3031, 5873, 9093, 17619, 46331, 89773, 138993, 269319, 324317, 363287, 628411, 972951, 1089861, 1885233, 2543009, 7629027, 38871709, 116615127, 272101963, 816305889]

約数ペア:

[(1, 816305889), (3, 272101963), (7, 116615127), (21, 38871709), (107, 7629027), (321, 2543009), (433, 1885233), (749, 1089861), (839, 972951), (1299, 628411), (2247, 363287), (2517, 324317), (3031, 269319), (5873, 138993), (9093, 89773), (17619, 46331)]