51165657

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 80720640

約数和(自身を除く): 29554983

約数列:

[1, 3, 9, 29, 43, 47, 87, 97, 129, 141, 261, 291, 387, 423, 873, 1247, 1363, 2021, 2813, 3741, 4089, 4171, 4559, 6063, 8439, 11223, 12267, 12513, 13677, 18189, 25317, 37539, 41031, 58609, 120959, 132211, 175827, 196037, 362877, 396633, 527481, 588111, 1088631, 1189899, 1764333, 5685073, 17055219, 51165657]

約数ペア:

[(1, 51165657), (3, 17055219), (9, 5685073), (29, 1764333), (43, 1189899), (47, 1088631), (87, 588111), (97, 527481), (129, 396633), (141, 362877), (261, 196037), (291, 175827), (387, 132211), (423, 120959), (873, 58609), (1247, 41031), (1363, 37539), (2021, 25317), (2813, 18189), (3741, 13677), (4089, 12513), (4171, 12267), (4559, 11223), (6063, 8439)]