289507977

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{179}}^1$

素因数の和:275

約数の個数: 72

約数和(自身を含む): 501901920

約数和(自身を除く): 212393943

約数列:

[1, 3, 9, 11, 17, 31, 33, 51, 93, 99, 153, 179, 187, 279, 341, 527, 537, 561, 961, 1023, 1581, 1611, 1683, 1969, 2883, 3043, 3069, 4743, 5549, 5797, 5907, 8649, 9129, 10571, 16337, 16647, 17391, 17721, 27387, 31713, 33473, 49011, 49941, 52173, 61039, 94333, 95139, 100419, 147033, 172019, 179707, 183117, 282999, 301257, 516057, 539121, 549351, 848997, 1037663, 1548171, 1617363, 1892209, 2924323, 3112989, 5676627, 8772969, 9338967, 17029881, 26318907, 32167553, 96502659, 289507977]

約数ペア:

[(1, 289507977), (3, 96502659), (9, 32167553), (11, 26318907), (17, 17029881), (31, 9338967), (33, 8772969), (51, 5676627), (93, 3112989), (99, 2924323), (153, 1892209), (179, 1617363), (187, 1548171), (279, 1037663), (341, 848997), (527, 549351), (537, 539121), (561, 516057), (961, 301257), (1023, 282999), (1581, 183117), (1611, 179707), (1683, 172019), (1969, 147033), (2883, 100419), (3043, 95139), (3069, 94333), (4743, 61039), (5549, 52173), (5797, 49941), (5907, 49011), (8649, 33473), (9129, 31713), (10571, 27387), (16337, 17721), (16647, 17391)]