81233523

素因数分解:

$3^4\times 7^2\times {\mathrm{97}}^1\times {\mathrm{211}}^1$

素因数の和:334

約数の個数: 60

約数和(自身を含む): 143292072

約数和(自身を除く): 62058549

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 97, 147, 189, 211, 291, 441, 567, 633, 679, 873, 1323, 1477, 1899, 2037, 2619, 3969, 4431, 4753, 5697, 6111, 7857, 10339, 13293, 14259, 17091, 18333, 20467, 31017, 39879, 42777, 54999, 61401, 93051, 119637, 128331, 143269, 184203, 279153, 384993, 429807, 552609, 837459, 1002883, 1289421, 1657827, 3008649, 3868263, 9025947, 11604789, 27077841, 81233523]

約数ペア:

[(1, 81233523), (3, 27077841), (7, 11604789), (9, 9025947), (21, 3868263), (27, 3008649), (49, 1657827), (63, 1289421), (81, 1002883), (97, 837459), (147, 552609), (189, 429807), (211, 384993), (291, 279153), (441, 184203), (567, 143269), (633, 128331), (679, 119637), (873, 93051), (1323, 61401), (1477, 54999), (1899, 42777), (2037, 39879), (2619, 31017), (3969, 20467), (4431, 18333), (4753, 17091), (5697, 14259), (6111, 13293), (7857, 10339)]