977881509

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{139121}}^1$

素因数の和:139209

約数の個数: 24

約数和(自身を含む): 1562618304

約数和(自身を除く): 584736795

約数列:

[1, 3, 9, 11, 33, 71, 99, 213, 639, 781, 2343, 7029, 139121, 417363, 1252089, 1530331, 4590993, 9877591, 13772979, 29632773, 88898319, 108653501, 325960503, 977881509]

約数ペア:

[(1, 977881509), (3, 325960503), (9, 108653501), (11, 88898319), (33, 29632773), (71, 13772979), (99, 9877591), (213, 4590993), (639, 1530331), (781, 1252089), (2343, 417363), (7029, 139121)]