16678389

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{307}}^1$

素因数の和:529

約数の個数: 32

約数和(自身を含む): 27596800

約数和(自身を除く): 10918411

約数列:

[1, 3, 7, 13, 21, 39, 91, 199, 273, 307, 597, 921, 1393, 2149, 2587, 3991, 4179, 6447, 7761, 11973, 18109, 27937, 54327, 61093, 83811, 183279, 427651, 794209, 1282953, 2382627, 5559463, 16678389]

約数ペア:

[(1, 16678389), (3, 5559463), (7, 2382627), (13, 1282953), (21, 794209), (39, 427651), (91, 183279), (199, 83811), (273, 61093), (307, 54327), (597, 27937), (921, 18109), (1393, 11973), (2149, 7761), (2587, 6447), (3991, 4179)]