1380015

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 2952768

約数和(自身を除く): 1572753

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 63, 65, 91, 105, 117, 195, 273, 315, 337, 455, 585, 819, 1011, 1365, 1685, 2359, 3033, 4095, 4381, 5055, 7077, 11795, 13143, 15165, 21231, 21905, 30667, 35385, 39429, 65715, 92001, 106155, 153335, 197145, 276003, 460005, 1380015]

約数ペア:

[(1, 1380015), (3, 460005), (5, 276003), (7, 197145), (9, 153335), (13, 106155), (15, 92001), (21, 65715), (35, 39429), (39, 35385), (45, 30667), (63, 21905), (65, 21231), (91, 15165), (105, 13143), (117, 11795), (195, 7077), (273, 5055), (315, 4381), (337, 4095), (455, 3033), (585, 2359), (819, 1685), (1011, 1365)]