51766785

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1381}}^1$

素因数の和:1423

約数の個数: 72

約数和(自身を含む): 110598696

約数和(自身を除く): 58831911

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 49, 51, 63, 85, 105, 119, 147, 153, 245, 255, 315, 357, 441, 595, 735, 765, 833, 1071, 1381, 1785, 2205, 2499, 4143, 4165, 5355, 6905, 7497, 9667, 12429, 12495, 20715, 23477, 29001, 37485, 48335, 62145, 67669, 70431, 87003, 117385, 145005, 164339, 203007, 211293, 338345, 352155, 435015, 493017, 609021, 821695, 1015035, 1056465, 1150373, 1479051, 2465085, 3045105, 3451119, 5751865, 7395255, 10353357, 17255595, 51766785]

約数ペア:

[(1, 51766785), (3, 17255595), (5, 10353357), (7, 7395255), (9, 5751865), (15, 3451119), (17, 3045105), (21, 2465085), (35, 1479051), (45, 1150373), (49, 1056465), (51, 1015035), (63, 821695), (85, 609021), (105, 493017), (119, 435015), (147, 352155), (153, 338345), (245, 211293), (255, 203007), (315, 164339), (357, 145005), (441, 117385), (595, 87003), (735, 70431), (765, 67669), (833, 62145), (1071, 48335), (1381, 37485), (1785, 29001), (2205, 23477), (2499, 20715), (4143, 12495), (4165, 12429), (5355, 9667), (6905, 7497)]