391189623

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{839}}^1$

素因数の和:1123

約数の個数: 32

約数和(自身を含む): 580608000

約数和(自身を除く): 189418377

約数列:

[1, 3, 11, 33, 71, 199, 213, 597, 781, 839, 2189, 2343, 2517, 6567, 9229, 14129, 27687, 42387, 59569, 155419, 166961, 178707, 466257, 500883, 655259, 1836571, 1965777, 5509713, 11854231, 35562693, 130396541, 391189623]

約数ペア:

[(1, 391189623), (3, 130396541), (11, 35562693), (33, 11854231), (71, 5509713), (199, 1965777), (213, 1836571), (597, 655259), (781, 500883), (839, 466257), (2189, 178707), (2343, 166961), (2517, 155419), (6567, 59569), (9229, 42387), (14129, 27687)]