8709987

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:363

約数の個数: 32

約数和(自身を含む): 13870080

約数和(自身を除く): 5160093

約数列:

[1, 3, 11, 13, 33, 39, 79, 143, 237, 257, 429, 771, 869, 1027, 2607, 2827, 3081, 3341, 8481, 10023, 11297, 20303, 33891, 36751, 60909, 110253, 223333, 263939, 669999, 791817, 2903329, 8709987]

約数ペア:

[(1, 8709987), (3, 2903329), (11, 791817), (13, 669999), (33, 263939), (39, 223333), (79, 110253), (143, 60909), (237, 36751), (257, 33891), (429, 20303), (771, 11297), (869, 10023), (1027, 8481), (2607, 3341), (2827, 3081)]