199495791

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:234

約数の個数: 80

約数和(自身を含む): 343461888

約数和(自身を除く): 143966097

約数列:

[1, 3, 9, 11, 27, 33, 41, 43, 81, 99, 123, 127, 129, 297, 369, 381, 387, 451, 473, 891, 1107, 1143, 1161, 1353, 1397, 1419, 1763, 3321, 3429, 3483, 4059, 4191, 4257, 5207, 5289, 5461, 10287, 12177, 12573, 12771, 15621, 15867, 16383, 19393, 36531, 37719, 38313, 46863, 47601, 49149, 57277, 58179, 60071, 113157, 140589, 142803, 147447, 171831, 174537, 180213, 223901, 421767, 442341, 515493, 523611, 540639, 671703, 1546479, 1570833, 1621917, 2015109, 2462911, 4639437, 4865751, 6045327, 7388733, 18135981, 22166199, 66498597, 199495791]

約数ペア:

[(1, 199495791), (3, 66498597), (9, 22166199), (11, 18135981), (27, 7388733), (33, 6045327), (41, 4865751), (43, 4639437), (81, 2462911), (99, 2015109), (123, 1621917), (127, 1570833), (129, 1546479), (297, 671703), (369, 540639), (381, 523611), (387, 515493), (451, 442341), (473, 421767), (891, 223901), (1107, 180213), (1143, 174537), (1161, 171831), (1353, 147447), (1397, 142803), (1419, 140589), (1763, 113157), (3321, 60071), (3429, 58179), (3483, 57277), (4059, 49149), (4191, 47601), (4257, 46863), (5207, 38313), (5289, 37719), (5461, 36531), (10287, 19393), (12177, 16383), (12573, 15867), (12771, 15621)]