51987819

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4127}}^1$

素因数の和:4179

約数の個数: 32

約数和(自身を含む): 83220480

約数和(自身を除く): 31232661

約数列:

[1, 3, 13, 17, 19, 39, 51, 57, 221, 247, 323, 663, 741, 969, 4127, 4199, 12381, 12597, 53651, 70159, 78413, 160953, 210477, 235239, 912067, 1019369, 1333021, 2736201, 3058107, 3999063, 17329273, 51987819]

約数ペア:

[(1, 51987819), (3, 17329273), (13, 3999063), (17, 3058107), (19, 2736201), (39, 1333021), (51, 1019369), (57, 912067), (221, 235239), (247, 210477), (323, 160953), (663, 78413), (741, 70159), (969, 53651), (4127, 12597), (4199, 12381)]