243338529

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{311}}^1$

素因数の和:430

約数の個数: 64

約数和(自身を含む): 409743360

約数和(自身を除く): 166404831

約数列:

[1, 3, 7, 19, 21, 37, 53, 57, 111, 133, 159, 259, 311, 371, 399, 703, 777, 933, 1007, 1113, 1961, 2109, 2177, 3021, 4921, 5883, 5909, 6531, 7049, 11507, 13727, 14763, 16483, 17727, 21147, 34521, 37259, 41181, 41363, 49449, 80549, 111777, 115381, 124089, 218633, 241647, 260813, 313177, 346143, 609871, 655899, 782439, 939531, 1530431, 1829613, 2192239, 4269097, 4591293, 6576717, 11587549, 12807291, 34762647, 81112843, 243338529]

約数ペア:

[(1, 243338529), (3, 81112843), (7, 34762647), (19, 12807291), (21, 11587549), (37, 6576717), (53, 4591293), (57, 4269097), (111, 2192239), (133, 1829613), (159, 1530431), (259, 939531), (311, 782439), (371, 655899), (399, 609871), (703, 346143), (777, 313177), (933, 260813), (1007, 241647), (1113, 218633), (1961, 124089), (2109, 115381), (2177, 111777), (3021, 80549), (4921, 49449), (5883, 41363), (5909, 41181), (6531, 37259), (7049, 34521), (11507, 21147), (13727, 17727), (14763, 16483)]