201205557

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:347

約数の個数: 72

約数和(自身を含む): 362446656

約数和(自身を除く): 161241099

約数列:

[1, 3, 7, 9, 17, 21, 43, 51, 63, 119, 129, 153, 257, 289, 301, 357, 387, 731, 771, 867, 903, 1071, 1799, 2023, 2193, 2313, 2601, 2709, 4369, 5117, 5397, 6069, 6579, 11051, 12427, 13107, 15351, 16191, 18207, 30583, 33153, 37281, 39321, 46053, 74273, 77357, 86989, 91749, 99459, 111843, 187867, 222819, 232071, 260967, 275247, 519911, 563601, 668457, 696213, 782901, 1315069, 1559733, 1690803, 3193739, 3945207, 4679199, 9581217, 11835621, 22356173, 28743651, 67068519, 201205557]

約数ペア:

[(1, 201205557), (3, 67068519), (7, 28743651), (9, 22356173), (17, 11835621), (21, 9581217), (43, 4679199), (51, 3945207), (63, 3193739), (119, 1690803), (129, 1559733), (153, 1315069), (257, 782901), (289, 696213), (301, 668457), (357, 563601), (387, 519911), (731, 275247), (771, 260967), (867, 232071), (903, 222819), (1071, 187867), (1799, 111843), (2023, 99459), (2193, 91749), (2313, 86989), (2601, 77357), (2709, 74273), (4369, 46053), (5117, 39321), (5397, 37281), (6069, 33153), (6579, 30583), (11051, 18207), (12427, 16191), (13107, 15351)]