1388556819

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{1409}}^1\times {\mathrm{8423}}^1$

素因数の和:9851

約数の個数: 24

約数和(自身を含む): 2161766880

約数和(自身を除く): 773210061

約数列:

[1, 3, 9, 13, 39, 117, 1409, 4227, 8423, 12681, 18317, 25269, 54951, 75807, 109499, 164853, 328497, 985491, 11868007, 35604021, 106812063, 154284091, 462852273, 1388556819]

約数ペア:

[(1, 1388556819), (3, 462852273), (9, 154284091), (13, 106812063), (39, 35604021), (117, 11868007), (1409, 985491), (4227, 328497), (8423, 164853), (12681, 109499), (18317, 75807), (25269, 54951)]