51979455

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:142

約数の個数: 128

約数和(自身を含む): 111974400

約数和(自身を除く): 59994945

約数列:

[1, 3, 5, 9, 11, 15, 17, 27, 29, 33, 45, 51, 55, 71, 85, 87, 99, 135, 145, 153, 165, 187, 213, 255, 261, 297, 319, 355, 435, 459, 493, 495, 561, 639, 765, 781, 783, 935, 957, 1065, 1207, 1305, 1479, 1485, 1595, 1683, 1917, 2059, 2295, 2343, 2465, 2805, 2871, 3195, 3621, 3905, 3915, 4437, 4785, 5049, 5423, 6035, 6177, 7029, 7395, 8415, 8613, 9585, 10295, 10863, 11715, 13277, 13311, 14355, 16269, 18105, 18531, 21087, 22185, 22649, 25245, 27115, 30885, 32589, 35003, 35145, 39831, 43065, 48807, 54315, 55593, 66385, 66555, 67947, 81345, 92655, 105009, 105435, 113245, 119493, 146421, 162945, 175015, 199155, 203841, 244035, 277965, 315027, 339735, 358479, 385033, 525045, 597465, 611523, 732105, 945081, 1019205, 1155099, 1575135, 1792395, 1925165, 3057615, 3465297, 4725405, 5775495, 10395891, 17326485, 51979455]

約数ペア:

[(1, 51979455), (3, 17326485), (5, 10395891), (9, 5775495), (11, 4725405), (15, 3465297), (17, 3057615), (27, 1925165), (29, 1792395), (33, 1575135), (45, 1155099), (51, 1019205), (55, 945081), (71, 732105), (85, 611523), (87, 597465), (99, 525045), (135, 385033), (145, 358479), (153, 339735), (165, 315027), (187, 277965), (213, 244035), (255, 203841), (261, 199155), (297, 175015), (319, 162945), (355, 146421), (435, 119493), (459, 113245), (493, 105435), (495, 105009), (561, 92655), (639, 81345), (765, 67947), (781, 66555), (783, 66385), (935, 55593), (957, 54315), (1065, 48807), (1207, 43065), (1305, 39831), (1479, 35145), (1485, 35003), (1595, 32589), (1683, 30885), (1917, 27115), (2059, 25245), (2295, 22649), (2343, 22185), (2465, 21087), (2805, 18531), (2871, 18105), (3195, 16269), (3621, 14355), (3905, 13311), (3915, 13277), (4437, 11715), (4785, 10863), (5049, 10295), (5423, 9585), (6035, 8613), (6177, 8415), (7029, 7395)]