638206911

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{347}}^1\times {\mathrm{4007}}^1$

素因数の和:4380

約数の個数: 32

約数和(自身を含む): 1004244480

約数和(自身を除く): 366037569

約数列:

[1, 3, 9, 17, 27, 51, 153, 347, 459, 1041, 3123, 4007, 5899, 9369, 12021, 17697, 36063, 53091, 68119, 108189, 159273, 204357, 613071, 1390429, 1839213, 4171287, 12513861, 23637293, 37541583, 70911879, 212735637, 638206911]

約数ペア:

[(1, 638206911), (3, 212735637), (9, 70911879), (17, 37541583), (27, 23637293), (51, 12513861), (153, 4171287), (347, 1839213), (459, 1390429), (1041, 613071), (3123, 204357), (4007, 159273), (5899, 108189), (9369, 68119), (12021, 53091), (17697, 36063)]