168779985

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{409}}^1$

素因数の和:530

約数の個数: 64

約数和(自身を含む): 307480320

約数和(自身を除く): 138700335

約数列:

[1, 3, 5, 11, 15, 33, 41, 55, 61, 123, 165, 183, 205, 305, 409, 451, 615, 671, 915, 1227, 1353, 2013, 2045, 2255, 2501, 3355, 4499, 6135, 6765, 7503, 10065, 12505, 13497, 16769, 22495, 24949, 27511, 37515, 50307, 67485, 74847, 82533, 83845, 124745, 137555, 184459, 251535, 274439, 374235, 412665, 553377, 823317, 922295, 1022909, 1372195, 2766885, 3068727, 4116585, 5114545, 11251999, 15343635, 33755997, 56259995, 168779985]

約数ペア:

[(1, 168779985), (3, 56259995), (5, 33755997), (11, 15343635), (15, 11251999), (33, 5114545), (41, 4116585), (55, 3068727), (61, 2766885), (123, 1372195), (165, 1022909), (183, 922295), (205, 823317), (305, 553377), (409, 412665), (451, 374235), (615, 274439), (671, 251535), (915, 184459), (1227, 137555), (1353, 124745), (2013, 83845), (2045, 82533), (2255, 74847), (2501, 67485), (3355, 50307), (4499, 37515), (6135, 27511), (6765, 24949), (7503, 22495), (10065, 16769), (12505, 13497)]