12780821967

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{1997}}^1\times {\mathrm{30047}}^1$

素因数の和:32118

約数の個数: 16

約数和(自身を含む): 17290340352

約数和(自身を除く): 4509518385

約数列:

[1, 3, 71, 213, 1997, 5991, 30047, 90141, 141787, 425361, 2133337, 6400011, 60003859, 180011577, 4260273989, 12780821967]

約数ペア:

[(1, 12780821967), (3, 4260273989), (71, 180011577), (213, 60003859), (1997, 6400011), (5991, 2133337), (30047, 425361), (90141, 141787)]