16336905

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{421}}^1$

素因数の和:641

約数の個数: 32

約数和(自身を含む): 28358400

約数和(自身を除く): 12021495

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 199, 421, 597, 995, 1263, 2105, 2587, 2985, 5473, 6315, 7761, 12935, 16419, 27365, 38805, 82095, 83779, 251337, 418895, 1089127, 1256685, 3267381, 5445635, 16336905]

約数ペア:

[(1, 16336905), (3, 5445635), (5, 3267381), (13, 1256685), (15, 1089127), (39, 418895), (65, 251337), (195, 83779), (199, 82095), (421, 38805), (597, 27365), (995, 16419), (1263, 12935), (2105, 7761), (2587, 6315), (2985, 5473)]