81129132

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{7487}}^1$

素因数の和:7547

約数の個数: 72

約数和(自身を含む): 239855616

約数和(自身を除く): 158726484

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 43, 63, 84, 86, 126, 129, 172, 252, 258, 301, 387, 516, 602, 774, 903, 1204, 1548, 1806, 2709, 3612, 5418, 7487, 10836, 14974, 22461, 29948, 44922, 52409, 67383, 89844, 104818, 134766, 157227, 209636, 269532, 314454, 321941, 471681, 628908, 643882, 943362, 965823, 1287764, 1886724, 1931646, 2253587, 2897469, 3863292, 4507174, 5794938, 6760761, 9014348, 11589876, 13521522, 20282283, 27043044, 40564566, 81129132]

約数ペア:

[(1, 81129132), (2, 40564566), (3, 27043044), (4, 20282283), (6, 13521522), (7, 11589876), (9, 9014348), (12, 6760761), (14, 5794938), (18, 4507174), (21, 3863292), (28, 2897469), (36, 2253587), (42, 1931646), (43, 1886724), (63, 1287764), (84, 965823), (86, 943362), (126, 643882), (129, 628908), (172, 471681), (252, 321941), (258, 314454), (301, 269532), (387, 209636), (516, 157227), (602, 134766), (774, 104818), (903, 89844), (1204, 67383), (1548, 52409), (1806, 44922), (2709, 29948), (3612, 22461), (5418, 14974), (7487, 10836)]