15721429749

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{761}}^1\times {\mathrm{6143}}^1$

素因数の和:6985

約数の個数: 32

約数和(自身を含む): 22472294400

約数和(自身を除く): 6750864651

約数列:

[1, 3, 19, 57, 59, 177, 761, 1121, 2283, 3363, 6143, 14459, 18429, 43377, 44899, 116717, 134697, 350151, 362437, 853081, 1087311, 2559243, 4674823, 6886303, 14024469, 20658909, 88821637, 266464911, 275814557, 827443671, 5240476583, 15721429749]

約数ペア:

[(1, 15721429749), (3, 5240476583), (19, 827443671), (57, 275814557), (59, 266464911), (177, 88821637), (761, 20658909), (1121, 14024469), (2283, 6886303), (3363, 4674823), (6143, 2559243), (14459, 1087311), (18429, 853081), (43377, 362437), (44899, 350151), (116717, 134697)]