857036439

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^2\times {\mathrm{523}}^1$

素因数の和:629

約数の個数: 72

約数和(自身を含む): 1533517440

約数和(自身を除く): 676481001

約数列:

[1, 3, 7, 9, 19, 21, 37, 57, 63, 111, 133, 171, 259, 333, 399, 523, 703, 777, 1197, 1369, 1569, 2109, 2331, 3661, 4107, 4707, 4921, 6327, 9583, 9937, 10983, 12321, 14763, 19351, 26011, 28749, 29811, 32949, 44289, 58053, 69559, 78033, 86247, 89433, 135457, 174159, 182077, 208677, 234099, 367669, 406371, 546231, 626031, 715987, 1103007, 1219113, 1638693, 2147961, 2573683, 3309021, 5011909, 6443883, 7721049, 13603753, 15035727, 23163147, 40811259, 45107181, 95226271, 122433777, 285678813, 857036439]

約数ペア:

[(1, 857036439), (3, 285678813), (7, 122433777), (9, 95226271), (19, 45107181), (21, 40811259), (37, 23163147), (57, 15035727), (63, 13603753), (111, 7721049), (133, 6443883), (171, 5011909), (259, 3309021), (333, 2573683), (399, 2147961), (523, 1638693), (703, 1219113), (777, 1103007), (1197, 715987), (1369, 626031), (1569, 546231), (2109, 406371), (2331, 367669), (3661, 234099), (4107, 208677), (4707, 182077), (4921, 174159), (6327, 135457), (9583, 89433), (9937, 86247), (10983, 78033), (12321, 69559), (14763, 58053), (19351, 44289), (26011, 32949), (28749, 29811)]