51339015

素因数分解:

$3^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{199}}^1$

素因数の和:243

約数の個数: 120

約数和(自身を含む): 115869600

約数和(自身を除く): 64530585

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 27, 35, 39, 45, 49, 63, 65, 81, 91, 105, 117, 135, 147, 189, 195, 199, 245, 273, 315, 351, 405, 441, 455, 567, 585, 597, 637, 735, 819, 945, 995, 1053, 1323, 1365, 1393, 1755, 1791, 1911, 2205, 2457, 2587, 2835, 2985, 3185, 3969, 4095, 4179, 5265, 5373, 5733, 6615, 6965, 7371, 7761, 8955, 9555, 9751, 12285, 12537, 12935, 16119, 17199, 18109, 19845, 20895, 23283, 26865, 28665, 29253, 36855, 37611, 38805, 48755, 51597, 54327, 62685, 69849, 80595, 85995, 87759, 90545, 112833, 116415, 126763, 146265, 162981, 188055, 209547, 257985, 263277, 271635, 349245, 380289, 438795, 488943, 564165, 633815, 789831, 814905, 1047735, 1140867, 1316385, 1466829, 1901445, 2444715, 3422601, 3949155, 5704335, 7334145, 10267803, 17113005, 51339015]

約数ペア:

[(1, 51339015), (3, 17113005), (5, 10267803), (7, 7334145), (9, 5704335), (13, 3949155), (15, 3422601), (21, 2444715), (27, 1901445), (35, 1466829), (39, 1316385), (45, 1140867), (49, 1047735), (63, 814905), (65, 789831), (81, 633815), (91, 564165), (105, 488943), (117, 438795), (135, 380289), (147, 349245), (189, 271635), (195, 263277), (199, 257985), (245, 209547), (273, 188055), (315, 162981), (351, 146265), (405, 126763), (441, 116415), (455, 112833), (567, 90545), (585, 87759), (597, 85995), (637, 80595), (735, 69849), (819, 62685), (945, 54327), (995, 51597), (1053, 48755), (1323, 38805), (1365, 37611), (1393, 36855), (1755, 29253), (1791, 28665), (1911, 26865), (2205, 23283), (2457, 20895), (2587, 19845), (2835, 18109), (2985, 17199), (3185, 16119), (3969, 12935), (4095, 12537), (4179, 12285), (5265, 9751), (5373, 9555), (5733, 8955), (6615, 7761), (6965, 7371)]