81998433

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{1321}}^1$

素因数の和:1371

約数の個数: 48

約数和(自身を含む): 140660800

約数和(自身を除く): 58662367

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 99, 121, 171, 209, 297, 363, 513, 627, 1089, 1321, 1881, 2299, 3267, 3963, 5643, 6897, 11889, 14531, 20691, 25099, 35667, 43593, 62073, 75297, 130779, 159841, 225891, 276089, 392337, 479523, 677673, 828267, 1438569, 2484801, 3036979, 4315707, 7454403, 9110937, 27332811, 81998433]

約数ペア:

[(1, 81998433), (3, 27332811), (9, 9110937), (11, 7454403), (19, 4315707), (27, 3036979), (33, 2484801), (57, 1438569), (99, 828267), (121, 677673), (171, 479523), (209, 392337), (297, 276089), (363, 225891), (513, 159841), (627, 130779), (1089, 75297), (1321, 62073), (1881, 43593), (2299, 35667), (3267, 25099), (3963, 20691), (5643, 14531), (6897, 11889)]