81114453

素因数分解:

$3^4\times 7^2\times {\mathrm{107}}^1\times {\mathrm{191}}^1$

素因数の和:324

約数の個数: 60

約数和(自身を含む): 143016192

約数和(自身を除く): 61901739

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 107, 147, 189, 191, 321, 441, 567, 573, 749, 963, 1323, 1337, 1719, 2247, 2889, 3969, 4011, 5157, 5243, 6741, 8667, 9359, 12033, 15471, 15729, 20223, 20437, 28077, 36099, 47187, 60669, 61311, 84231, 108297, 141561, 143059, 183933, 252693, 424683, 429177, 551799, 758079, 1001413, 1287531, 1655397, 3004239, 3862593, 9012717, 11587779, 27038151, 81114453]

約数ペア:

[(1, 81114453), (3, 27038151), (7, 11587779), (9, 9012717), (21, 3862593), (27, 3004239), (49, 1655397), (63, 1287531), (81, 1001413), (107, 758079), (147, 551799), (189, 429177), (191, 424683), (321, 252693), (441, 183933), (567, 143059), (573, 141561), (749, 108297), (963, 84231), (1323, 61311), (1337, 60669), (1719, 47187), (2247, 36099), (2889, 28077), (3969, 20437), (4011, 20223), (5157, 15729), (5243, 15471), (6741, 12033), (8667, 9359)]