3949155

素因数分解:

$3^4\times 5^1\times 7^2\times {\mathrm{199}}^1$

素因数の和:230

約数の個数: 60

約数和(自身を含む): 8276400

約数和(自身を除く): 4327245

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 81, 105, 135, 147, 189, 199, 245, 315, 405, 441, 567, 597, 735, 945, 995, 1323, 1393, 1791, 2205, 2835, 2985, 3969, 4179, 5373, 6615, 6965, 8955, 9751, 12537, 16119, 19845, 20895, 26865, 29253, 37611, 48755, 62685, 80595, 87759, 112833, 146265, 188055, 263277, 438795, 564165, 789831, 1316385, 3949155]

約数ペア:

[(1, 3949155), (3, 1316385), (5, 789831), (7, 564165), (9, 438795), (15, 263277), (21, 188055), (27, 146265), (35, 112833), (45, 87759), (49, 80595), (63, 62685), (81, 48755), (105, 37611), (135, 29253), (147, 26865), (189, 20895), (199, 19845), (245, 16119), (315, 12537), (405, 9751), (441, 8955), (567, 6965), (597, 6615), (735, 5373), (945, 4179), (995, 3969), (1323, 2985), (1393, 2835), (1791, 2205)]