128888883

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{7873}}^1$

素因数の和:8003

約数の個数: 24

約数和(自身を含む): 198991728

約数和(自身を除く): 70102845

約数列:

[1, 3, 9, 17, 51, 107, 153, 321, 963, 1819, 5457, 7873, 16371, 23619, 70857, 133841, 401523, 842411, 1204569, 2527233, 7581699, 14320987, 42962961, 128888883]

約数ペア:

[(1, 128888883), (3, 42962961), (9, 14320987), (17, 7581699), (51, 2527233), (107, 1204569), (153, 842411), (321, 401523), (963, 133841), (1819, 70857), (5457, 23619), (7873, 16371)]